156978520

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{3323}}^1$

素因数の和:4515

約数の個数: 32

約数和(自身を含む): 353607120

約数和(自身を除く): 196628600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 3323, 4724, 5905, 6646, 9448, 11810, 13292, 16615, 23620, 26584, 33230, 47240, 66460, 132920, 3924463, 7848926, 15697852, 19622315, 31395704, 39244630, 78489260, 156978520]

約数ペア:

[(1, 156978520), (2, 78489260), (4, 39244630), (5, 31395704), (8, 19622315), (10, 15697852), (20, 7848926), (40, 3924463), (1181, 132920), (2362, 66460), (3323, 47240), (4724, 33230), (5905, 26584), (6646, 23620), (9448, 16615), (11810, 13292)]