289949273360

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1\times {\mathrm{21499}}^1$

素因数の和:22416

約数の個数: 80

約数和(自身を含む): 677782512000

約数和(自身を除く): 387833238640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 641, 1052, 1282, 1315, 2104, 2564, 2630, 3205, 4208, 5128, 5260, 6410, 10256, 10520, 12820, 21040, 21499, 25640, 42998, 51280, 85996, 107495, 168583, 171992, 214990, 337166, 343984, 429980, 674332, 842915, 859960, 1348664, 1685830, 1719920, 2697328, 3371660, 5654237, 6743320, 11308474, 13486640, 13780859, 22616948, 27561718, 28271185, 45233896, 55123436, 56542370, 68904295, 90467792, 110246872, 113084740, 137808590, 220493744, 226169480, 275617180, 452338960, 551234360, 1102468720, 3624365917, 7248731834, 14497463668, 18121829585, 28994927336, 36243659170, 57989854672, 72487318340, 144974636680, 289949273360]

約数ペア:

[(1, 289949273360), (2, 144974636680), (4, 72487318340), (5, 57989854672), (8, 36243659170), (10, 28994927336), (16, 18121829585), (20, 14497463668), (40, 7248731834), (80, 3624365917), (263, 1102468720), (526, 551234360), (641, 452338960), (1052, 275617180), (1282, 226169480), (1315, 220493744), (2104, 137808590), (2564, 113084740), (2630, 110246872), (3205, 90467792), (4208, 68904295), (5128, 56542370), (5260, 55123436), (6410, 45233896), (10256, 28271185), (10520, 27561718), (12820, 22616948), (21040, 13780859), (21499, 13486640), (25640, 11308474), (42998, 6743320), (51280, 5654237), (85996, 3371660), (107495, 2697328), (168583, 1719920), (171992, 1685830), (214990, 1348664), (337166, 859960), (343984, 842915), (429980, 674332)]