64276020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11519}}^1$

素因数の和:11565

約数の個数: 72

約数和(自身を含む): 201277440

約数和(自身を除く): 137001420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 11519, 23038, 34557, 46076, 57595, 69114, 103671, 115190, 138228, 172785, 207342, 230380, 345570, 357089, 414684, 518355, 691140, 714178, 1036710, 1071267, 1428356, 1785445, 2073420, 2142534, 3213801, 3570890, 4285068, 5356335, 6427602, 7141780, 10712670, 12855204, 16069005, 21425340, 32138010, 64276020]

約数ペア:

[(1, 64276020), (2, 32138010), (3, 21425340), (4, 16069005), (5, 12855204), (6, 10712670), (9, 7141780), (10, 6427602), (12, 5356335), (15, 4285068), (18, 3570890), (20, 3213801), (30, 2142534), (31, 2073420), (36, 1785445), (45, 1428356), (60, 1071267), (62, 1036710), (90, 714178), (93, 691140), (124, 518355), (155, 414684), (180, 357089), (186, 345570), (279, 230380), (310, 207342), (372, 172785), (465, 138228), (558, 115190), (620, 103671), (930, 69114), (1116, 57595), (1395, 46076), (1860, 34557), (2790, 23038), (5580, 11519)]