12781760

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:753

約数の個数: 56

約数和(自身を含む): 30998160

約数和(自身を除く): 18216400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 677, 944, 1180, 1354, 1888, 2360, 2708, 3385, 3776, 4720, 5416, 6770, 9440, 10832, 13540, 18880, 21664, 27080, 39943, 43328, 54160, 79886, 108320, 159772, 199715, 216640, 319544, 399430, 639088, 798860, 1278176, 1597720, 2556352, 3195440, 6390880, 12781760]

約数ペア:

[(1, 12781760), (2, 6390880), (4, 3195440), (5, 2556352), (8, 1597720), (10, 1278176), (16, 798860), (20, 639088), (32, 399430), (40, 319544), (59, 216640), (64, 199715), (80, 159772), (118, 108320), (160, 79886), (236, 54160), (295, 43328), (320, 39943), (472, 27080), (590, 21664), (677, 18880), (944, 13540), (1180, 10832), (1354, 9440), (1888, 6770), (2360, 5416), (2708, 4720), (3385, 3776)]