12780870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18523}}^1$

素因数の和:18556

約数の個数: 32

約数和(自身を含む): 32009472

約数和(自身を除く): 19228602

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 18523, 37046, 55569, 92615, 111138, 185230, 277845, 426029, 555690, 852058, 1278087, 2130145, 2556174, 4260290, 6390435, 12780870]

約数ペア:

[(1, 12780870), (2, 6390435), (3, 4260290), (5, 2556174), (6, 2130145), (10, 1278087), (15, 852058), (23, 555690), (30, 426029), (46, 277845), (69, 185230), (115, 111138), (138, 92615), (230, 55569), (345, 37046), (690, 18523)]