20215518400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 378

約数和(自身を含む): 63632518404

約数和(自身を除く): 43417000004

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 64, 70, 77, 80, 88, 98, 100, 110, 112, 121, 140, 154, 160, 175, 176, 196, 200, 220, 224, 242, 245, 275, 280, 308, 320, 350, 352, 385, 392, 400, 440, 448, 484, 490, 539, 550, 560, 605, 616, 700, 704, 770, 784, 800, 847, 880, 968, 980, 1078, 1100, 1120, 1210, 1225, 1232, 1400, 1540, 1568, 1600, 1694, 1760, 1925, 1936, 1960, 2131, 2156, 2200, 2240, 2420, 2450, 2464, 2695, 2800, 3025, 3080, 3136, 3388, 3520, 3850, 3872, 3920, 4235, 4262, 4312, 4400, 4840, 4900, 4928, 5390, 5600, 5929, 6050, 6160, 6776, 7700, 7744, 7840, 8470, 8524, 8624, 8800, 9680, 9800, 10655, 10780, 11200, 11858, 12100, 12320, 13475, 13552, 14917, 15400, 15680, 16940, 17048, 17248, 17600, 19360, 19600, 21175, 21310, 21560, 23441, 23716, 24200, 24640, 26950, 27104, 29645, 29834, 30800, 33880, 34096, 34496, 38720, 39200, 42350, 42620, 43120, 46882, 47432, 48400, 53275, 53900, 54208, 59290, 59668, 61600, 67760, 68192, 74585, 78400, 84700, 85240, 86240, 93764, 94864, 96800, 104419, 106550, 107800, 117205, 118580, 119336, 123200, 135520, 136384, 148225, 149170, 164087, 169400, 170480, 172480, 187528, 189728, 193600, 208838, 213100, 215600, 234410, 237160, 238672, 257851, 271040, 296450, 298340, 328174, 338800, 340960, 372925, 375056, 379456, 417676, 426200, 431200, 468820, 474320, 477344, 515702, 522095, 586025, 592900, 596680, 656348, 677600, 681920, 745850, 750112, 820435, 835352, 852400, 862400, 937640, 948640, 954688, 1031404, 1044190, 1148609, 1172050, 1185800, 1193360, 1289255, 1312696, 1355200, 1491700, 1500224, 1640870, 1670704, 1704800, 1804957, 1875280, 1897280, 2062808, 2088380, 2297218, 2344100, 2371600, 2386720, 2578510, 2610475, 2625392, 2983400, 3281740, 3341408, 3409600, 3609914, 3750560, 4102175, 4125616, 4176760, 4594436, 4688200, 4743200, 4773440, 5157020, 5220950, 5250784, 5743045, 5966800, 6446275, 6563480, 6682816, 7219828, 7501120, 8204350, 8251232, 8353520, 9024785, 9188872, 9376400, 9486400, 10314040, 10441900, 10501568, 11486090, 11933600, 12634699, 12892550, 13126960, 14439656, 16408700, 16502464, 16707040, 18049570, 18377744, 18752800, 20628080, 20883800, 22972180, 23867200, 25269398, 25785100, 26253920, 28715225, 28879312, 32817400, 33414080, 36099140, 36755488, 37505600, 41256160, 41767600, 45123925, 45944360, 50538796, 51570200, 52507840, 57430450, 57758624, 63173495, 65634800, 72198280, 73510976, 82512320, 83535200, 90247850, 91888720, 101077592, 103140400, 114860900, 115517248, 126346990, 131269600, 144396560, 167070400, 180495700, 183777440, 202155184, 206280800, 229721800, 252693980, 262539200, 288793120, 315867475, 360991400, 367554880, 404310368, 412561600, 459443600, 505387960, 577586240, 631734950, 721982800, 808620736, 918887200, 1010775920, 1263469900, 1443965600, 1837774400, 2021551840, 2526939800, 2887931200, 4043103680, 5053879600, 10107759200, 20215518400]

約数ペア:

[(1, 20215518400), (2, 10107759200), (4, 5053879600), (5, 4043103680), (7, 2887931200), (8, 2526939800), (10, 2021551840), (11, 1837774400), (14, 1443965600), (16, 1263469900), (20, 1010775920), (22, 918887200), (25, 808620736), (28, 721982800), (32, 631734950), (35, 577586240), (40, 505387960), (44, 459443600), (49, 412561600), (50, 404310368), (55, 367554880), (56, 360991400), (64, 315867475), (70, 288793120), (77, 262539200), (80, 252693980), (88, 229721800), (98, 206280800), (100, 202155184), (110, 183777440), (112, 180495700), (121, 167070400), (140, 144396560), (154, 131269600), (160, 126346990), (175, 115517248), (176, 114860900), (196, 103140400), (200, 101077592), (220, 91888720), (224, 90247850), (242, 83535200), (245, 82512320), (275, 73510976), (280, 72198280), (308, 65634800), (320, 63173495), (350, 57758624), (352, 57430450), (385, 52507840), (392, 51570200), (400, 50538796), (440, 45944360), (448, 45123925), (484, 41767600), (490, 41256160), (539, 37505600), (550, 36755488), (560, 36099140), (605, 33414080), (616, 32817400), (700, 28879312), (704, 28715225), (770, 26253920), (784, 25785100), (800, 25269398), (847, 23867200), (880, 22972180), (968, 20883800), (980, 20628080), (1078, 18752800), (1100, 18377744), (1120, 18049570), (1210, 16707040), (1225, 16502464), (1232, 16408700), (1400, 14439656), (1540, 13126960), (1568, 12892550), (1600, 12634699), (1694, 11933600), (1760, 11486090), (1925, 10501568), (1936, 10441900), (1960, 10314040), (2131, 9486400), (2156, 9376400), (2200, 9188872), (2240, 9024785), (2420, 8353520), (2450, 8251232), (2464, 8204350), (2695, 7501120), (2800, 7219828), (3025, 6682816), (3080, 6563480), (3136, 6446275), (3388, 5966800), (3520, 5743045), (3850, 5250784), (3872, 5220950), (3920, 5157020), (4235, 4773440), (4262, 4743200), (4312, 4688200), (4400, 4594436), (4840, 4176760), (4900, 4125616), (4928, 4102175), (5390, 3750560), (5600, 3609914), (5929, 3409600), (6050, 3341408), (6160, 3281740), (6776, 2983400), (7700, 2625392), (7744, 2610475), (7840, 2578510), (8470, 2386720), (8524, 2371600), (8624, 2344100), (8800, 2297218), (9680, 2088380), (9800, 2062808), (10655, 1897280), (10780, 1875280), (11200, 1804957), (11858, 1704800), (12100, 1670704), (12320, 1640870), (13475, 1500224), (13552, 1491700), (14917, 1355200), (15400, 1312696), (15680, 1289255), (16940, 1193360), (17048, 1185800), (17248, 1172050), (17600, 1148609), (19360, 1044190), (19600, 1031404), (21175, 954688), (21310, 948640), (21560, 937640), (23441, 862400), (23716, 852400), (24200, 835352), (24640, 820435), (26950, 750112), (27104, 745850), (29645, 681920), (29834, 677600), (30800, 656348), (33880, 596680), (34096, 592900), (34496, 586025), (38720, 522095), (39200, 515702), (42350, 477344), (42620, 474320), (43120, 468820), (46882, 431200), (47432, 426200), (48400, 417676), (53275, 379456), (53900, 375056), (54208, 372925), (59290, 340960), (59668, 338800), (61600, 328174), (67760, 298340), (68192, 296450), (74585, 271040), (78400, 257851), (84700, 238672), (85240, 237160), (86240, 234410), (93764, 215600), (94864, 213100), (96800, 208838), (104419, 193600), (106550, 189728), (107800, 187528), (117205, 172480), (118580, 170480), (119336, 169400), (123200, 164087), (135520, 149170), (136384, 148225)]