12868960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 34292160

約数和(自身を除く): 21423200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 269, 299, 368, 416, 460, 520, 538, 598, 736, 920, 1040, 1076, 1196, 1345, 1495, 1840, 2080, 2152, 2392, 2690, 2990, 3497, 3680, 4304, 4784, 5380, 5980, 6187, 6994, 8608, 9568, 10760, 11960, 12374, 13988, 17485, 21520, 23920, 24748, 27976, 30935, 34970, 43040, 47840, 49496, 55952, 61870, 69940, 80431, 98992, 111904, 123740, 139880, 160862, 197984, 247480, 279760, 321724, 402155, 494960, 559520, 643448, 804310, 989920, 1286896, 1608620, 2573792, 3217240, 6434480, 12868960]

約数ペア:

[(1, 12868960), (2, 6434480), (4, 3217240), (5, 2573792), (8, 1608620), (10, 1286896), (13, 989920), (16, 804310), (20, 643448), (23, 559520), (26, 494960), (32, 402155), (40, 321724), (46, 279760), (52, 247480), (65, 197984), (80, 160862), (92, 139880), (104, 123740), (115, 111904), (130, 98992), (160, 80431), (184, 69940), (208, 61870), (230, 55952), (260, 49496), (269, 47840), (299, 43040), (368, 34970), (416, 30935), (460, 27976), (520, 24748), (538, 23920), (598, 21520), (736, 17485), (920, 13988), (1040, 12374), (1076, 11960), (1196, 10760), (1345, 9568), (1495, 8608), (1840, 6994), (2080, 6187), (2152, 5980), (2392, 5380), (2690, 4784), (2990, 4304), (3497, 3680)]