248740960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9199}}^1$

素因数の和:9240

約数の個数: 72

約数和(自身を含む): 636400800

約数和(自身を除く): 387659840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 9199, 13520, 18398, 27040, 36796, 45995, 73592, 91990, 119587, 147184, 183980, 239174, 294368, 367960, 478348, 597935, 735920, 956696, 1195870, 1471840, 1554631, 1913392, 2391740, 3109262, 3826784, 4783480, 6218524, 7773155, 9566960, 12437048, 15546310, 19133920, 24874096, 31092620, 49748192, 62185240, 124370480, 248740960]

約数ペア:

[(1, 248740960), (2, 124370480), (4, 62185240), (5, 49748192), (8, 31092620), (10, 24874096), (13, 19133920), (16, 15546310), (20, 12437048), (26, 9566960), (32, 7773155), (40, 6218524), (52, 4783480), (65, 3826784), (80, 3109262), (104, 2391740), (130, 1913392), (160, 1554631), (169, 1471840), (208, 1195870), (260, 956696), (338, 735920), (416, 597935), (520, 478348), (676, 367960), (845, 294368), (1040, 239174), (1352, 183980), (1690, 147184), (2080, 119587), (2704, 91990), (3380, 73592), (5408, 45995), (6760, 36796), (9199, 27040), (13520, 18398)]