518639940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31663}}^1$

素因数の和:31698

約数の個数: 144

約数和(自身を含む): 1936316928

約数和(自身を除く): 1417676988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 31663, 63326, 94989, 126652, 158315, 189978, 221641, 284967, 316630, 379956, 411619, 443282, 474945, 569934, 633260, 664923, 823238, 886564, 949890, 1108205, 1139868, 1234857, 1329846, 1424835, 1646476, 1899780, 1994769, 2058095, 2216410, 2469714, 2659692, 2849670, 2881333, 3324615, 3704571, 3989538, 4116190, 4432820, 4939428, 5699340, 5762666, 6174285, 6649230, 7409142, 7979076, 8232380, 8643999, 9973845, 11525332, 12348570, 13298460, 14406665, 14818284, 17287998, 18522855, 19947690, 24697140, 25931997, 28813330, 34575996, 37045710, 39895380, 43219995, 51863994, 57626660, 74091420, 86439990, 103727988, 129659985, 172879980, 259319970, 518639940]

約数ペア:

[(1, 518639940), (2, 259319970), (3, 172879980), (4, 129659985), (5, 103727988), (6, 86439990), (7, 74091420), (9, 57626660), (10, 51863994), (12, 43219995), (13, 39895380), (14, 37045710), (15, 34575996), (18, 28813330), (20, 25931997), (21, 24697140), (26, 19947690), (28, 18522855), (30, 17287998), (35, 14818284), (36, 14406665), (39, 13298460), (42, 12348570), (45, 11525332), (52, 9973845), (60, 8643999), (63, 8232380), (65, 7979076), (70, 7409142), (78, 6649230), (84, 6174285), (90, 5762666), (91, 5699340), (105, 4939428), (117, 4432820), (126, 4116190), (130, 3989538), (140, 3704571), (156, 3324615), (180, 2881333), (182, 2849670), (195, 2659692), (210, 2469714), (234, 2216410), (252, 2058095), (260, 1994769), (273, 1899780), (315, 1646476), (364, 1424835), (390, 1329846), (420, 1234857), (455, 1139868), (468, 1108205), (546, 949890), (585, 886564), (630, 823238), (780, 664923), (819, 633260), (910, 569934), (1092, 474945), (1170, 443282), (1260, 411619), (1365, 379956), (1638, 316630), (1820, 284967), (2340, 221641), (2730, 189978), (3276, 158315), (4095, 126652), (5460, 94989), (8190, 63326), (16380, 31663)]