1274998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28183}}^1$

素因数の和:28239

約数の個数: 128

約数和(自身を含む): 4261420800

約数和(自身を除く): 2986421880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 3016, 3480, 3770, 4524, 5655, 7540, 9048, 11310, 15080, 22620, 28183, 45240, 56366, 84549, 112732, 140915, 169098, 225464, 281830, 338196, 366379, 422745, 563660, 676392, 732758, 817307, 845490, 1099137, 1127320, 1465516, 1634614, 1690980, 1831895, 2198274, 2451921, 2931032, 3269228, 3381960, 3663790, 4086535, 4396548, 4903842, 5495685, 6538456, 7327580, 8173070, 8793096, 9807684, 10624991, 10991370, 12259605, 14655160, 16346140, 19615368, 21249982, 21982740, 24519210, 31874973, 32692280, 42499964, 43965480, 49038420, 53124955, 63749946, 84999928, 98076840, 106249910, 127499892, 159374865, 212499820, 254999784, 318749730, 424999640, 637499460, 1274998920]

約数ペア:

[(1, 1274998920), (2, 637499460), (3, 424999640), (4, 318749730), (5, 254999784), (6, 212499820), (8, 159374865), (10, 127499892), (12, 106249910), (13, 98076840), (15, 84999928), (20, 63749946), (24, 53124955), (26, 49038420), (29, 43965480), (30, 42499964), (39, 32692280), (40, 31874973), (52, 24519210), (58, 21982740), (60, 21249982), (65, 19615368), (78, 16346140), (87, 14655160), (104, 12259605), (116, 10991370), (120, 10624991), (130, 9807684), (145, 8793096), (156, 8173070), (174, 7327580), (195, 6538456), (232, 5495685), (260, 4903842), (290, 4396548), (312, 4086535), (348, 3663790), (377, 3381960), (390, 3269228), (435, 2931032), (520, 2451921), (580, 2198274), (696, 1831895), (754, 1690980), (780, 1634614), (870, 1465516), (1131, 1127320), (1160, 1099137), (1508, 845490), (1560, 817307), (1740, 732758), (1885, 676392), (2262, 563660), (3016, 422745), (3480, 366379), (3770, 338196), (4524, 281830), (5655, 225464), (7540, 169098), (9048, 140915), (11310, 112732), (15080, 84549), (22620, 56366), (28183, 45240)]