289947960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25981}}^1$

素因数の和:26029

約数の個数: 96

約数和(自身を含む): 972766080

約数和(自身を除く): 682818120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 25981, 51962, 77943, 103924, 129905, 155886, 207848, 233829, 259810, 311772, 389715, 467658, 519620, 623544, 779430, 805411, 935316, 1039240, 1169145, 1558860, 1610822, 1870632, 2338290, 2416233, 3117720, 3221644, 4027055, 4676580, 4832466, 6443288, 7248699, 8054110, 9353160, 9664932, 12081165, 14497398, 16108220, 19329864, 24162330, 28994796, 32216440, 36243495, 48324660, 57989592, 72486990, 96649320, 144973980, 289947960]

約数ペア:

[(1, 289947960), (2, 144973980), (3, 96649320), (4, 72486990), (5, 57989592), (6, 48324660), (8, 36243495), (9, 32216440), (10, 28994796), (12, 24162330), (15, 19329864), (18, 16108220), (20, 14497398), (24, 12081165), (30, 9664932), (31, 9353160), (36, 8054110), (40, 7248699), (45, 6443288), (60, 4832466), (62, 4676580), (72, 4027055), (90, 3221644), (93, 3117720), (120, 2416233), (124, 2338290), (155, 1870632), (180, 1610822), (186, 1558860), (248, 1169145), (279, 1039240), (310, 935316), (360, 805411), (372, 779430), (465, 623544), (558, 519620), (620, 467658), (744, 389715), (930, 311772), (1116, 259810), (1240, 233829), (1395, 207848), (1860, 155886), (2232, 129905), (2790, 103924), (3720, 77943), (5580, 51962), (11160, 25981)]