81518520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8599}}^1$

素因数の和:8692

約数の個数: 64

約数和(自身を含む): 247680000

約数和(自身を除く): 166161480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 8599, 9480, 17198, 25797, 34396, 42995, 51594, 68792, 85990, 103188, 128985, 171980, 206376, 257970, 343960, 515940, 679321, 1031880, 1358642, 2037963, 2717284, 3396605, 4075926, 5434568, 6793210, 8151852, 10189815, 13586420, 16303704, 20379630, 27172840, 40759260, 81518520]

約数ペア:

[(1, 81518520), (2, 40759260), (3, 27172840), (4, 20379630), (5, 16303704), (6, 13586420), (8, 10189815), (10, 8151852), (12, 6793210), (15, 5434568), (20, 4075926), (24, 3396605), (30, 2717284), (40, 2037963), (60, 1358642), (79, 1031880), (120, 679321), (158, 515940), (237, 343960), (316, 257970), (395, 206376), (474, 171980), (632, 128985), (790, 103188), (948, 85990), (1185, 68792), (1580, 51594), (1896, 42995), (2370, 34396), (3160, 25797), (4740, 17198), (8599, 9480)]