69979020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16427}}^1$

素因数の和:16510

約数の個数: 48

約数和(自身を含む): 198713088

約数和(自身を除く): 128734068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 16427, 32854, 49281, 65708, 82135, 98562, 164270, 197124, 246405, 328540, 492810, 985620, 1166317, 2332634, 3498951, 4665268, 5831585, 6997902, 11663170, 13995804, 17494755, 23326340, 34989510, 69979020]

約数ペア:

[(1, 69979020), (2, 34989510), (3, 23326340), (4, 17494755), (5, 13995804), (6, 11663170), (10, 6997902), (12, 5831585), (15, 4665268), (20, 3498951), (30, 2332634), (60, 1166317), (71, 985620), (142, 492810), (213, 328540), (284, 246405), (355, 197124), (426, 164270), (710, 98562), (852, 82135), (1065, 65708), (1420, 49281), (2130, 32854), (4260, 16427)]