64647480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 206323200

約数和(自身を除く): 141675720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 397, 460, 472, 552, 590, 690, 708, 794, 885, 920, 1180, 1191, 1357, 1380, 1416, 1588, 1770, 1985, 2360, 2382, 2714, 2760, 3176, 3540, 3970, 4071, 4764, 5428, 5955, 6785, 7080, 7940, 8142, 9131, 9528, 10856, 11910, 13570, 15880, 16284, 18262, 20355, 23423, 23820, 27140, 27393, 32568, 36524, 40710, 45655, 46846, 47640, 54280, 54786, 70269, 73048, 81420, 91310, 93692, 109572, 117115, 136965, 140538, 162840, 182620, 187384, 219144, 234230, 273930, 281076, 351345, 365240, 468460, 538729, 547860, 562152, 702690, 936920, 1077458, 1095720, 1405380, 1616187, 2154916, 2693645, 2810760, 3232374, 4309832, 5387290, 6464748, 8080935, 10774580, 12929496, 16161870, 21549160, 32323740, 64647480]

約数ペア:

[(1, 64647480), (2, 32323740), (3, 21549160), (4, 16161870), (5, 12929496), (6, 10774580), (8, 8080935), (10, 6464748), (12, 5387290), (15, 4309832), (20, 3232374), (23, 2810760), (24, 2693645), (30, 2154916), (40, 1616187), (46, 1405380), (59, 1095720), (60, 1077458), (69, 936920), (92, 702690), (115, 562152), (118, 547860), (120, 538729), (138, 468460), (177, 365240), (184, 351345), (230, 281076), (236, 273930), (276, 234230), (295, 219144), (345, 187384), (354, 182620), (397, 162840), (460, 140538), (472, 136965), (552, 117115), (590, 109572), (690, 93692), (708, 91310), (794, 81420), (885, 73048), (920, 70269), (1180, 54786), (1191, 54280), (1357, 47640), (1380, 46846), (1416, 45655), (1588, 40710), (1770, 36524), (1985, 32568), (2360, 27393), (2382, 27140), (2714, 23820), (2760, 23423), (3176, 20355), (3540, 18262), (3970, 16284), (4071, 15880), (4764, 13570), (5428, 11910), (5955, 10856), (6785, 9528), (7080, 9131), (7940, 8142)]