20975220000

素因数分解:

$2^5\times 3^3\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 960

約数和(自身を含む): 90690969600

約数和(自身を除く): 69715749600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 62, 63, 70, 72, 75, 80, 84, 90, 93, 96, 100, 105, 108, 112, 120, 124, 125, 126, 135, 140, 144, 150, 155, 160, 168, 175, 179, 180, 186, 189, 200, 210, 216, 217, 224, 225, 240, 248, 250, 252, 270, 279, 280, 288, 300, 310, 315, 336, 350, 358, 360, 372, 375, 378, 400, 420, 432, 434, 450, 465, 480, 496, 500, 504, 525, 537, 540, 558, 560, 600, 620, 625, 630, 651, 672, 675, 700, 716, 720, 744, 750, 756, 775, 800, 837, 840, 864, 868, 875, 895, 900, 930, 945, 992, 1000, 1008, 1050, 1074, 1080, 1085, 1116, 1120, 1125, 1200, 1240, 1250, 1253, 1260, 1302, 1350, 1395, 1400, 1432, 1440, 1488, 1500, 1512, 1550, 1575, 1611, 1674, 1680, 1736, 1750, 1790, 1800, 1860, 1875, 1890, 1953, 2000, 2016, 2100, 2148, 2160, 2170, 2232, 2250, 2325, 2400, 2480, 2500, 2506, 2520, 2604, 2625, 2685, 2700, 2790, 2800, 2864, 2976, 3000, 3024, 3100, 3150, 3222, 3255, 3348, 3360, 3375, 3472, 3500, 3580, 3600, 3720, 3750, 3759, 3780, 3875, 3906, 4000, 4185, 4200, 4296, 4320, 4340, 4375, 4464, 4475, 4500, 4650, 4725, 4833, 4960, 5000, 5012, 5040, 5208, 5250, 5370, 5400, 5425, 5549, 5580, 5600, 5625, 5728, 5859, 6000, 6048, 6200, 6265, 6300, 6444, 6510, 6696, 6750, 6944, 6975, 7000, 7160, 7200, 7440, 7500, 7518, 7560, 7750, 7812, 7875, 8055, 8370, 8400, 8592, 8680, 8750, 8928, 8950, 9000, 9300, 9450, 9666, 9765, 10000, 10024, 10080, 10416, 10500, 10740, 10800, 10850, 11098, 11160, 11250, 11277, 11625, 11718, 12000, 12400, 12530, 12600, 12888, 13020, 13125, 13392, 13425, 13500, 13950, 14000, 14320, 14880, 15000, 15036, 15120, 15500, 15624, 15750, 16110, 16275, 16647, 16740, 16800, 16875, 17184, 17360, 17500, 17900, 18000, 18600, 18795, 18900, 19332, 19375, 19530, 20000, 20048, 20832, 20925, 21000, 21480, 21600, 21700, 22196, 22320, 22375, 22500, 22554, 23250, 23436, 23625, 24165, 24800, 25060, 25200, 25776, 26040, 26250, 26784, 26850, 27000, 27125, 27745, 27900, 28000, 28640, 29295, 30000, 30072, 30240, 31000, 31248, 31325, 31500, 32220, 32550, 33294, 33480, 33750, 33831, 34720, 34875, 35000, 35800, 36000, 37200, 37590, 37800, 38664, 38750, 38843, 39060, 39375, 40096, 40275, 41850, 42000, 42960, 43400, 44392, 44640, 44750, 45000, 45108, 46500, 46872, 47250, 48330, 48825, 49941, 50120, 50400, 51552, 52080, 52500, 53700, 54000, 54250, 55490, 55800, 56385, 58125, 58590, 60000, 60144, 62000, 62496, 62650, 63000, 64440, 65100, 66588, 66960, 67125, 67500, 67662, 69750, 70000, 71600, 74400, 75180, 75600, 77328, 77500, 77686, 78120, 78750, 80550, 81375, 83235, 83700, 84000, 85920, 86800, 88784, 89500, 90000, 90216, 93000, 93744, 93975, 94500, 96660, 97650, 99882, 100240, 104160, 104625, 105000, 107400, 108000, 108500, 110980, 111600, 111875, 112770, 116250, 116529, 117180, 118125, 120288, 120825, 124000, 125300, 126000, 128880, 130200, 133176, 133920, 134250, 135000, 135324, 135625, 138725, 139500, 140000, 143200, 146475, 149823, 150360, 151200, 154656, 155000, 155372, 156240, 156625, 157500, 161100, 162750, 166470, 167400, 169155, 173600, 174375, 177568, 179000, 180000, 180432, 186000, 187488, 187950, 189000, 193320, 194215, 195300, 199764, 200480, 201375, 209250, 210000, 214800, 217000, 221960, 223200, 223750, 225540, 232500, 233058, 234360, 236250, 241650, 244125, 249705, 250600, 252000, 257760, 260400, 266352, 268500, 270000, 270648, 271250, 277450, 279000, 281925, 292950, 299646, 300720, 310000, 310744, 312480, 313250, 315000, 322200, 325500, 332940, 334800, 335625, 338310, 348750, 349587, 358000, 360864, 372000, 375900, 378000, 386640, 388430, 390600, 399528, 402750, 406875, 416175, 418500, 420000, 429600, 434000, 443920, 447500, 451080, 465000, 466116, 468720, 469875, 472500, 483300, 488250, 499410, 501200, 520800, 523125, 532704, 537000, 540000, 541296, 542500, 554900, 558000, 563850, 582645, 585900, 599292, 601440, 604125, 620000, 621488, 626500, 630000, 644400, 651000, 665880, 669600, 671250, 676620, 693625, 697500, 699174, 716000, 732375, 749115, 751800, 756000, 773280, 776860, 781200, 783125, 799056, 805500, 813750, 832350, 837000, 845775, 868000, 887840, 895000, 902160, 930000, 932232, 937440, 939750, 945000, 966600, 971075, 976500, 998820, 1002400, 1006875, 1046250, 1048761, 1074000, 1082592, 1085000, 1109800, 1116000, 1127700, 1165290, 1171800, 1198584, 1208250, 1220625, 1242976, 1248525, 1253000, 1260000, 1288800, 1302000, 1331760, 1342500, 1353240, 1387250, 1395000, 1398348, 1409625, 1464750, 1498230, 1503600, 1553720, 1562400, 1566250, 1598112, 1611000, 1627500, 1664700, 1674000, 1691550, 1747935, 1790000, 1804320, 1860000, 1864464, 1879500, 1890000, 1933200, 1942150, 1953000, 1997640, 2013750, 2080875, 2092500, 2097522, 2148000, 2170000, 2219600, 2255400, 2330580, 2343600, 2349375, 2397168, 2416500, 2441250, 2497050, 2506000, 2604000, 2663520, 2685000, 2706480, 2774500, 2790000, 2796696, 2819250, 2913225, 2929500, 2996460, 3007200, 3020625, 3107440, 3132500, 3222000, 3255000, 3329400, 3348000, 3383100, 3468125, 3495870, 3580000, 3661875, 3728928, 3745575, 3759000, 3780000, 3866400, 3884300, 3906000, 3995280, 4027500, 4161750, 4185000, 4195044, 4228875, 4340000, 4439200, 4510800, 4661160, 4687200, 4698750, 4794336, 4833000, 4855375, 4882500, 4994100, 5012000, 5243805, 5370000, 5412960, 5549000, 5580000, 5593392, 5638500, 5826450, 5859000, 5992920, 6041250, 6214880, 6242625, 6265000, 6444000, 6510000, 6658800, 6766200, 6936250, 6991740, 7048125, 7323750, 7491150, 7518000, 7768600, 7812000, 7990560, 8055000, 8323500, 8370000, 8390088, 8457750, 8739675, 9021600, 9322320, 9397500, 9666000, 9710750, 9765000, 9988200, 10404375, 10487610, 10740000, 11098000, 11186784, 11277000, 11652900, 11718000, 11985840, 12082500, 12485250, 12530000, 13020000, 13317600, 13532400, 13872500, 13983480, 14096250, 14566125, 14647500, 14982300, 15036000, 15537200, 16110000, 16647000, 16740000, 16780176, 16915500, 17479350, 18644640, 18727875, 18795000, 19332000, 19421500, 19530000, 19976400, 20808750, 20975220, 21144375, 22196000, 22554000, 23305800, 23436000, 23971680, 24165000, 24276875, 24970500, 25060000, 26219025, 27064800, 27745000, 27966960, 28192500, 29132250, 29295000, 29964600, 31074400, 31213125, 32220000, 33294000, 33560352, 33831000, 34958700, 37455750, 37590000, 38843000, 39060000, 39952800, 41617500, 41950440, 42288750, 43698375, 45108000, 46611600, 48330000, 48553750, 49941000, 52438050, 55490000, 55933920, 56385000, 58264500, 58590000, 59929200, 62426250, 66588000, 67662000, 69917400, 72830625, 74911500, 75180000, 77686000, 83235000, 83900880, 84577500, 87396750, 93223200, 93639375, 96660000, 97107500, 99882000, 104876100, 110980000, 112770000, 116529000, 117180000, 119858400, 124852500, 131095125, 135324000, 139834800, 145661250, 149823000, 155372000, 166470000, 167801760, 169155000, 174793500, 187278750, 194215000, 199764000, 209752200, 218491875, 225540000, 233058000, 249705000, 262190250, 279669600, 291322500, 299646000, 332940000, 338310000, 349587000, 374557500, 388430000, 419504400, 436983750, 466116000, 499410000, 524380500, 582645000, 599292000, 655475625, 676620000, 699174000, 749115000, 776860000, 839008800, 873967500, 998820000, 1048761000, 1165290000, 1310951250, 1398348000, 1498230000, 1747935000, 2097522000, 2330580000, 2621902500, 2996460000, 3495870000, 4195044000, 5243805000, 6991740000, 10487610000, 20975220000]

約数ペア:

[(1, 20975220000), (2, 10487610000), (3, 6991740000), (4, 5243805000), (5, 4195044000), (6, 3495870000), (7, 2996460000), (8, 2621902500), (9, 2330580000), (10, 2097522000), (12, 1747935000), (14, 1498230000), (15, 1398348000), (16, 1310951250), (18, 1165290000), (20, 1048761000), (21, 998820000), (24, 873967500), (25, 839008800), (27, 776860000), (28, 749115000), (30, 699174000), (31, 676620000), (32, 655475625), (35, 599292000), (36, 582645000), (40, 524380500), (42, 499410000), (45, 466116000), (48, 436983750), (50, 419504400), (54, 388430000), (56, 374557500), (60, 349587000), (62, 338310000), (63, 332940000), (70, 299646000), (72, 291322500), (75, 279669600), (80, 262190250), (84, 249705000), (90, 233058000), (93, 225540000), (96, 218491875), (100, 209752200), (105, 199764000), (108, 194215000), (112, 187278750), (120, 174793500), (124, 169155000), (125, 167801760), (126, 166470000), (135, 155372000), (140, 149823000), (144, 145661250), (150, 139834800), (155, 135324000), (160, 131095125), (168, 124852500), (175, 119858400), (179, 117180000), (180, 116529000), (186, 112770000), (189, 110980000), (200, 104876100), (210, 99882000), (216, 97107500), (217, 96660000), (224, 93639375), (225, 93223200), (240, 87396750), (248, 84577500), (250, 83900880), (252, 83235000), (270, 77686000), (279, 75180000), (280, 74911500), (288, 72830625), (300, 69917400), (310, 67662000), (315, 66588000), (336, 62426250), (350, 59929200), (358, 58590000), (360, 58264500), (372, 56385000), (375, 55933920), (378, 55490000), (400, 52438050), (420, 49941000), (432, 48553750), (434, 48330000), (450, 46611600), (465, 45108000), (480, 43698375), (496, 42288750), (500, 41950440), (504, 41617500), (525, 39952800), (537, 39060000), (540, 38843000), (558, 37590000), (560, 37455750), (600, 34958700), (620, 33831000), (625, 33560352), (630, 33294000), (651, 32220000), (672, 31213125), (675, 31074400), (700, 29964600), (716, 29295000), (720, 29132250), (744, 28192500), (750, 27966960), (756, 27745000), (775, 27064800), (800, 26219025), (837, 25060000), (840, 24970500), (864, 24276875), (868, 24165000), (875, 23971680), (895, 23436000), (900, 23305800), (930, 22554000), (945, 22196000), (992, 21144375), (1000, 20975220), (1008, 20808750), (1050, 19976400), (1074, 19530000), (1080, 19421500), (1085, 19332000), (1116, 18795000), (1120, 18727875), (1125, 18644640), (1200, 17479350), (1240, 16915500), (1250, 16780176), (1253, 16740000), (1260, 16647000), (1302, 16110000), (1350, 15537200), (1395, 15036000), (1400, 14982300), (1432, 14647500), (1440, 14566125), (1488, 14096250), (1500, 13983480), (1512, 13872500), (1550, 13532400), (1575, 13317600), (1611, 13020000), (1674, 12530000), (1680, 12485250), (1736, 12082500), (1750, 11985840), (1790, 11718000), (1800, 11652900), (1860, 11277000), (1875, 11186784), (1890, 11098000), (1953, 10740000), (2000, 10487610), (2016, 10404375), (2100, 9988200), (2148, 9765000), (2160, 9710750), (2170, 9666000), (2232, 9397500), (2250, 9322320), (2325, 9021600), (2400, 8739675), (2480, 8457750), (2500, 8390088), (2506, 8370000), (2520, 8323500), (2604, 8055000), (2625, 7990560), (2685, 7812000), (2700, 7768600), (2790, 7518000), (2800, 7491150), (2864, 7323750), (2976, 7048125), (3000, 6991740), (3024, 6936250), (3100, 6766200), (3150, 6658800), (3222, 6510000), (3255, 6444000), (3348, 6265000), (3360, 6242625), (3375, 6214880), (3472, 6041250), (3500, 5992920), (3580, 5859000), (3600, 5826450), (3720, 5638500), (3750, 5593392), (3759, 5580000), (3780, 5549000), (3875, 5412960), (3906, 5370000), (4000, 5243805), (4185, 5012000), (4200, 4994100), (4296, 4882500), (4320, 4855375), (4340, 4833000), (4375, 4794336), (4464, 4698750), (4475, 4687200), (4500, 4661160), (4650, 4510800), (4725, 4439200), (4833, 4340000), (4960, 4228875), (5000, 4195044), (5012, 4185000), (5040, 4161750), (5208, 4027500), (5250, 3995280), (5370, 3906000), (5400, 3884300), (5425, 3866400), (5549, 3780000), (5580, 3759000), (5600, 3745575), (5625, 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(13392, 1566250), (13425, 1562400), (13500, 1553720), (13950, 1503600), (14000, 1498230), (14320, 1464750), (14880, 1409625), (15000, 1398348), (15036, 1395000), (15120, 1387250), (15500, 1353240), (15624, 1342500), (15750, 1331760), (16110, 1302000), (16275, 1288800), (16647, 1260000), (16740, 1253000), (16800, 1248525), (16875, 1242976), (17184, 1220625), (17360, 1208250), (17500, 1198584), (17900, 1171800), (18000, 1165290), (18600, 1127700), (18795, 1116000), (18900, 1109800), (19332, 1085000), (19375, 1082592), (19530, 1074000), (20000, 1048761), (20048, 1046250), (20832, 1006875), (20925, 1002400), (21000, 998820), (21480, 976500), (21600, 971075), (21700, 966600), (22196, 945000), (22320, 939750), (22375, 937440), (22500, 932232), (22554, 930000), (23250, 902160), (23436, 895000), (23625, 887840), (24165, 868000), (24800, 845775), (25060, 837000), (25200, 832350), (25776, 813750), (26040, 805500), (26250, 799056), (26784, 783125), (26850, 781200), (27000, 776860), (27125, 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(117180, 179000), (118125, 177568), (120288, 174375), (120825, 173600), (124000, 169155), (125300, 167400), (126000, 166470), (128880, 162750), (130200, 161100), (133176, 157500), (133920, 156625), (134250, 156240), (135000, 155372), (135324, 155000), (135625, 154656), (138725, 151200), (139500, 150360), (140000, 149823), (143200, 146475)]