20718673500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 768

約数和(自身を含む): 79252992000

約数和(自身を除く): 58534318500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 25, 28, 30, 34, 35, 38, 41, 42, 50, 51, 57, 60, 68, 70, 75, 76, 82, 84, 85, 95, 100, 102, 105, 114, 119, 123, 125, 133, 140, 149, 150, 164, 170, 175, 190, 204, 205, 210, 228, 238, 246, 250, 255, 266, 285, 287, 298, 300, 323, 340, 350, 357, 375, 380, 399, 410, 420, 425, 447, 475, 476, 492, 500, 510, 525, 532, 570, 574, 595, 596, 615, 646, 665, 697, 700, 714, 745, 750, 779, 798, 820, 850, 861, 875, 894, 950, 969, 1020, 1025, 1043, 1050, 1140, 1148, 1190, 1230, 1275, 1292, 1330, 1394, 1425, 1428, 1435, 1490, 1500, 1558, 1596, 1615, 1700, 1722, 1750, 1785, 1788, 1900, 1938, 1995, 2050, 2086, 2091, 2100, 2125, 2235, 2261, 2337, 2375, 2380, 2460, 2533, 2550, 2625, 2660, 2788, 2831, 2850, 2870, 2975, 2980, 3075, 3116, 3129, 3230, 3325, 3444, 3485, 3500, 3570, 3725, 3876, 3895, 3990, 4100, 4172, 4182, 4250, 4305, 4470, 4522, 4674, 4750, 4845, 4879, 5066, 5100, 5125, 5215, 5250, 5453, 5662, 5700, 5740, 5950, 6109, 6150, 6258, 6375, 6460, 6650, 6783, 6970, 7125, 7140, 7175, 7450, 7599, 7790, 7980, 8075, 8364, 8493, 8500, 8610, 8925, 8940, 9044, 9348, 9500, 9690, 9758, 9975, 10132, 10250, 10430, 10455, 10500, 10906, 11175, 11305, 11324, 11685, 11900, 12218, 12300, 12516, 12665, 12750, 13243, 13300, 13566, 13940, 14155, 14250, 14350, 14637, 14875, 14900, 15198, 15375, 15580, 15645, 16150, 16359, 16625, 16986, 17220, 17425, 17731, 17850, 18327, 18625, 19380, 19475, 19516, 19817, 19950, 20500, 20860, 20910, 21525, 21812, 22350, 22610, 23370, 24225, 24395, 24436, 25330, 25500, 26075, 26486, 27132, 27265, 28310, 28500, 28700, 29274, 29750, 30396, 30545, 30750, 31290, 32300, 32718, 33250, 33915, 33972, 34850, 35462, 35700, 35875, 36654, 37250, 37995, 38950, 39634, 39729, 39900, 40375, 41820, 42465, 42763, 43050, 44625, 44700, 45220, 46740, 48127, 48450, 48790, 49875, 50660, 52150, 52275, 52972, 53193, 54530, 55875, 56525, 56620, 58425, 58548, 59451, 59500, 61090, 61500, 62580, 63325, 65436, 66215, 66500, 67830, 69700, 70775, 70924, 71750, 73185, 73308, 74500, 75990, 77900, 78225, 79268, 79458, 80750, 81795, 84930, 85526, 86100, 87125, 88655, 89250, 91635, 92701, 96254, 96900, 97375, 97580, 99085, 99750, 103853, 104300, 104550, 106386, 107625, 109060, 111750, 113050, 116071, 116850, 118902, 121125, 121975, 122180, 126650, 128289, 130375, 132430, 135660, 136325, 141550, 143500, 144381, 146370, 151980, 152725, 156450, 158916, 161500, 163590, 169575, 169860, 171052, 174250, 177310, 178500, 183270, 185402, 189975, 192508, 194750, 198170, 198645, 199500, 207706, 209100, 212325, 212772, 213815, 215250, 223500, 226100, 232142, 233700, 237804, 240635, 242250, 243950, 253300, 256578, 260750, 261375, 264860, 265965, 272650, 278103, 282625, 283100, 288762, 292125, 292740, 297255, 305450, 311559, 312900, 316625, 327180, 331075, 336889, 339150, 348213, 348500, 353875, 354620, 365925, 366540, 370804, 379950, 389500, 391125, 396340, 397290, 408975, 415412, 424650, 427630, 430500, 443275, 458175, 463505, 464284, 481270, 484500, 487900, 495425, 513156, 519265, 521500, 522750, 531930, 545300, 556206, 565250, 577524, 580355, 584250, 594510, 609875, 610900, 623118, 633250, 641445, 662150, 673778, 678300, 681625, 696426, 707750, 721905, 726971, 731850, 759900, 763625, 782250, 794580, 812497, 817950, 847875, 849300, 855260, 886550, 916350, 927010, 949875, 962540, 990850, 993225, 1010667, 1038530, 1045500, 1061625, 1063860, 1069075, 1112412, 1130500, 1160710, 1168500, 1189020, 1203175, 1219750, 1246236, 1266500, 1282890, 1324300, 1329825, 1347556, 1363250, 1390515, 1392852, 1415500, 1443810, 1453942, 1463700, 1486275, 1527250, 1557795, 1564500, 1624994, 1635900, 1655375, 1684445, 1695750, 1741065, 1773100, 1829625, 1832700, 1854020, 1899750, 1973207, 1981700, 1986450, 2021334, 2044875, 2077060, 2123250, 2138150, 2180913, 2216375, 2290875, 2317525, 2321420, 2406350, 2437491, 2439500, 2477125, 2565780, 2596325, 2659650, 2726500, 2781030, 2887620, 2901775, 2907884, 2972550, 3054500, 3115590, 3207225, 3249988, 3310750, 3368890, 3391500, 3482130, 3609525, 3634855, 3659250, 3799500, 3946414, 3972900, 4042668, 4062485, 4089750, 4246500, 4276300, 4361826, 4432750, 4581750, 4635050, 4812700, 4874982, 4954250, 4966125, 5053335, 5192650, 5319300, 5345375, 5562060, 5803550, 5919621, 5945100, 6015875, 6231180, 6414450, 6621500, 6649125, 6737780, 6952575, 6964260, 7219050, 7269710, 7318500, 7431375, 7788975, 7892828, 8124970, 8179500, 8422225, 8705325, 8723652, 8865500, 9163500, 9270100, 9749964, 9866035, 9908500, 9932250, 10106670, 10385300, 10690750, 10904565, 11587625, 11607100, 11839242, 12031750, 12187455, 12828900, 12981625, 13298250, 13812449, 13905150, 14438100, 14508875, 14539420, 14862750, 15577950, 16036125, 16249940, 16844450, 17410650, 18047625, 18174275, 19732070, 19864500, 20213340, 20312425, 21381500, 21809130, 23175250, 23678484, 24063500, 24374910, 25266675, 25963250, 26596500, 27624898, 27810300, 29017750, 29598105, 29725500, 31155900, 32072250, 33688900, 34762875, 34821300, 36095250, 36348550, 38944875, 39464140, 40624850, 41437347, 42111125, 43526625, 43618260, 46350500, 48749820, 49330175, 50533350, 51926500, 54522825, 55249796, 58035500, 59196210, 60937275, 64144500, 69062245, 69525750, 72190500, 72697100, 77889750, 81249700, 82874694, 84222250, 87053250, 90871375, 98660350, 101066700, 101562125, 109045650, 118392420, 121874550, 126333375, 138124490, 139051500, 147990525, 155779500, 165749388, 168444500, 174106500, 181742750, 197320700, 203124250, 207186735, 218091300, 243749100, 246650875, 252666750, 272614125, 276248980, 295981050, 304686375, 345311225, 363485500, 406248500, 414373470, 493301750, 505333500, 545228250, 591962100, 609372750, 690622450, 739952625, 828746940, 986603500, 1035933675, 1090456500, 1218745500, 1381244900, 1479905250, 1726556125, 2071867350, 2959810500, 3453112250, 4143734700, 5179668375, 6906224500, 10359336750, 20718673500]

約数ペア:

[(1, 20718673500), (2, 10359336750), (3, 6906224500), (4, 5179668375), (5, 4143734700), (6, 3453112250), (7, 2959810500), (10, 2071867350), (12, 1726556125), (14, 1479905250), (15, 1381244900), (17, 1218745500), (19, 1090456500), (20, 1035933675), (21, 986603500), (25, 828746940), (28, 739952625), (30, 690622450), (34, 609372750), (35, 591962100), (38, 545228250), (41, 505333500), (42, 493301750), (50, 414373470), (51, 406248500), (57, 363485500), (60, 345311225), (68, 304686375), (70, 295981050), (75, 276248980), (76, 272614125), (82, 252666750), (84, 246650875), (85, 243749100), (95, 218091300), (100, 207186735), (102, 203124250), (105, 197320700), (114, 181742750), (119, 174106500), (123, 168444500), (125, 165749388), (133, 155779500), (140, 147990525), (149, 139051500), (150, 138124490), (164, 126333375), (170, 121874550), (175, 118392420), (190, 109045650), (204, 101562125), (205, 101066700), (210, 98660350), (228, 90871375), (238, 87053250), (246, 84222250), (250, 82874694), (255, 81249700), (266, 77889750), (285, 72697100), (287, 72190500), (298, 69525750), (300, 69062245), (323, 64144500), (340, 60937275), (350, 59196210), (357, 58035500), (375, 55249796), (380, 54522825), (399, 51926500), (410, 50533350), (420, 49330175), (425, 48749820), (447, 46350500), (475, 43618260), (476, 43526625), (492, 42111125), (500, 41437347), (510, 40624850), (525, 39464140), (532, 38944875), (570, 36348550), (574, 36095250), (595, 34821300), (596, 34762875), (615, 33688900), (646, 32072250), (665, 31155900), (697, 29725500), (700, 29598105), (714, 29017750), (745, 27810300), (750, 27624898), (779, 26596500), (798, 25963250), (820, 25266675), (850, 24374910), (861, 24063500), (875, 23678484), (894, 23175250), (950, 21809130), (969, 21381500), (1020, 20312425), (1025, 20213340), (1043, 19864500), (1050, 19732070), (1140, 18174275), (1148, 18047625), (1190, 17410650), (1230, 16844450), (1275, 16249940), (1292, 16036125), (1330, 15577950), (1394, 14862750), (1425, 14539420), (1428, 14508875), (1435, 14438100), (1490, 13905150), (1500, 13812449), (1558, 13298250), (1596, 12981625), (1615, 12828900), (1700, 12187455), (1722, 12031750), (1750, 11839242), (1785, 11607100), (1788, 11587625), (1900, 10904565), (1938, 10690750), (1995, 10385300), (2050, 10106670), (2086, 9932250), (2091, 9908500), (2100, 9866035), (2125, 9749964), (2235, 9270100), (2261, 9163500), (2337, 8865500), (2375, 8723652), (2380, 8705325), (2460, 8422225), (2533, 8179500), (2550, 8124970), (2625, 7892828), (2660, 7788975), (2788, 7431375), (2831, 7318500), (2850, 7269710), (2870, 7219050), (2975, 6964260), (2980, 6952575), (3075, 6737780), (3116, 6649125), (3129, 6621500), (3230, 6414450), (3325, 6231180), (3444, 6015875), (3485, 5945100), (3500, 5919621), (3570, 5803550), (3725, 5562060), (3876, 5345375), (3895, 5319300), (3990, 5192650), (4100, 5053335), (4172, 4966125), (4182, 4954250), (4250, 4874982), (4305, 4812700), (4470, 4635050), (4522, 4581750), (4674, 4432750), (4750, 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