566781680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 1365984000

約数和(自身を除く): 799202320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 449, 496, 509, 620, 898, 1018, 1240, 1796, 2036, 2245, 2480, 2545, 3592, 4072, 4490, 5090, 7184, 8144, 8980, 10180, 13919, 15779, 17960, 20360, 27838, 31558, 35920, 40720, 55676, 63116, 69595, 78895, 111352, 126232, 139190, 157790, 222704, 228541, 252464, 278380, 315580, 457082, 556760, 631160, 914164, 1113520, 1142705, 1262320, 1828328, 2285410, 3656656, 4570820, 7084771, 9141640, 14169542, 18283280, 28339084, 35423855, 56678168, 70847710, 113356336, 141695420, 283390840, 566781680]

約数ペア:

[(1, 566781680), (2, 283390840), (4, 141695420), (5, 113356336), (8, 70847710), (10, 56678168), (16, 35423855), (20, 28339084), (31, 18283280), (40, 14169542), (62, 9141640), (80, 7084771), (124, 4570820), (155, 3656656), (248, 2285410), (310, 1828328), (449, 1262320), (496, 1142705), (509, 1113520), (620, 914164), (898, 631160), (1018, 556760), (1240, 457082), (1796, 315580), (2036, 278380), (2245, 252464), (2480, 228541), (2545, 222704), (3592, 157790), (4072, 139190), (4490, 126232), (5090, 111352), (7184, 78895), (8144, 69595), (8980, 63116), (10180, 55676), (13919, 40720), (15779, 35920), (17960, 31558), (20360, 27838)]