161266760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237157}}^1$

素因数の和:237185

約数の個数: 32

約数和(自身を含む): 384195960

約数和(自身を除く): 222929200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 237157, 474314, 948628, 1185785, 1897256, 2371570, 4031669, 4743140, 8063338, 9486280, 16126676, 20158345, 32253352, 40316690, 80633380, 161266760]

約数ペア:

[(1, 161266760), (2, 80633380), (4, 40316690), (5, 32253352), (8, 20158345), (10, 16126676), (17, 9486280), (20, 8063338), (34, 4743140), (40, 4031669), (68, 2371570), (85, 1897256), (136, 1185785), (170, 948628), (340, 474314), (680, 237157)]