72691870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 133786080

約数和(自身を除く): 61094210

約数列:

[1, 2, 5, 10, 61, 122, 269, 305, 443, 538, 610, 886, 1345, 2215, 2690, 4430, 16409, 27023, 32818, 54046, 82045, 119167, 135115, 164090, 238334, 270230, 595835, 1191670, 7269187, 14538374, 36345935, 72691870]

約数ペア:

[(1, 72691870), (2, 36345935), (5, 14538374), (10, 7269187), (61, 1191670), (122, 595835), (269, 270230), (305, 238334), (443, 164090), (538, 135115), (610, 119167), (886, 82045), (1345, 54046), (2215, 32818), (2690, 27023), (4430, 16409)]