131498820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1381}}^1$

素因数の和:1442

約数の個数: 108

約数和(自身を含む): 417278316

約数和(自身を除く): 285779496

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 529, 690, 828, 1035, 1058, 1380, 1381, 1587, 2070, 2116, 2645, 2762, 3174, 4140, 4143, 4761, 5290, 5524, 6348, 6905, 7935, 8286, 9522, 10580, 12429, 13810, 15870, 16572, 19044, 20715, 23805, 24858, 27620, 31740, 31763, 41430, 47610, 49716, 62145, 63526, 82860, 95220, 95289, 124290, 127052, 158815, 190578, 248580, 285867, 317630, 381156, 476445, 571734, 635260, 730549, 952890, 1143468, 1429335, 1461098, 1905780, 2191647, 2858670, 2922196, 3652745, 4383294, 5717340, 6574941, 7305490, 8766588, 10958235, 13149882, 14610980, 21916470, 26299764, 32874705, 43832940, 65749410, 131498820]

約数ペア:

[(1, 131498820), (2, 65749410), (3, 43832940), (4, 32874705), (5, 26299764), (6, 21916470), (9, 14610980), (10, 13149882), (12, 10958235), (15, 8766588), (18, 7305490), (20, 6574941), (23, 5717340), (30, 4383294), (36, 3652745), (45, 2922196), (46, 2858670), (60, 2191647), (69, 1905780), (90, 1461098), (92, 1429335), (115, 1143468), (138, 952890), (180, 730549), (207, 635260), (230, 571734), (276, 476445), (345, 381156), (414, 317630), (460, 285867), (529, 248580), (690, 190578), (828, 158815), (1035, 127052), (1058, 124290), (1380, 95289), (1381, 95220), (1587, 82860), (2070, 63526), (2116, 62145), (2645, 49716), (2762, 47610), (3174, 41430), (4140, 31763), (4143, 31740), (4761, 27620), (5290, 24858), (5524, 23805), (6348, 20715), (6905, 19044), (7935, 16572), (8286, 15870), (9522, 13810), (10580, 12429)]