20115405960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2333}}^1\times {\mathrm{5527}}^1$

素因数の和:7887

約数の個数: 128

約数和(自身を含む): 65027854080

約数和(自身を除く): 44912448120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 2333, 4666, 5527, 6999, 9332, 11054, 11665, 13998, 16581, 18664, 22108, 23330, 27635, 27996, 30329, 33162, 34995, 44216, 46660, 55270, 55992, 60658, 66324, 69990, 71851, 82905, 90987, 93320, 110540, 121316, 132648, 139980, 143702, 151645, 165810, 181974, 215553, 221080, 242632, 279960, 287404, 303290, 331620, 359255, 363948, 431106, 454935, 574808, 606580, 663240, 718510, 727896, 862212, 909870, 1077765, 1213160, 1437020, 1724424, 1819740, 2155530, 2874040, 3639480, 4311060, 8622120, 12894491, 25788982, 38683473, 51577964, 64472455, 77366946, 103155928, 128944910, 154733892, 167628383, 193417365, 257889820, 309467784, 335256766, 386834730, 502885149, 515779640, 670513532, 773669460, 838141915, 1005770298, 1341027064, 1547338920, 1676283830, 2011540596, 2514425745, 3352567660, 4023081192, 5028851490, 6705135320, 10057702980, 20115405960]

約数ペア:

[(1, 20115405960), (2, 10057702980), (3, 6705135320), (4, 5028851490), (5, 4023081192), (6, 3352567660), (8, 2514425745), (10, 2011540596), (12, 1676283830), (13, 1547338920), (15, 1341027064), (20, 1005770298), (24, 838141915), (26, 773669460), (30, 670513532), (39, 515779640), (40, 502885149), (52, 386834730), (60, 335256766), (65, 309467784), (78, 257889820), (104, 193417365), (120, 167628383), (130, 154733892), (156, 128944910), (195, 103155928), (260, 77366946), (312, 64472455), (390, 51577964), (520, 38683473), (780, 25788982), (1560, 12894491), (2333, 8622120), (4666, 4311060), (5527, 3639480), (6999, 2874040), (9332, 2155530), (11054, 1819740), (11665, 1724424), (13998, 1437020), (16581, 1213160), (18664, 1077765), (22108, 909870), (23330, 862212), (27635, 727896), (27996, 718510), (30329, 663240), (33162, 606580), (34995, 574808), (44216, 454935), (46660, 431106), (55270, 363948), (55992, 359255), (60658, 331620), (66324, 303290), (69990, 287404), (71851, 279960), (82905, 242632), (90987, 221080), (93320, 215553), (110540, 181974), (121316, 165810), (132648, 151645), (139980, 143702)]