163345820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 395974656

約数和(自身を除く): 232628836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 124, 155, 172, 215, 220, 310, 341, 430, 473, 557, 620, 682, 860, 946, 1114, 1333, 1364, 1705, 1892, 2228, 2365, 2666, 2785, 3410, 4730, 5332, 5570, 6127, 6665, 6820, 9460, 11140, 12254, 13330, 14663, 17267, 23951, 24508, 26660, 29326, 30635, 34534, 47902, 58652, 61270, 69068, 73315, 86335, 95804, 119755, 122540, 146630, 172670, 189937, 239510, 263461, 293260, 345340, 379874, 479020, 526922, 742481, 759748, 949685, 1053844, 1317305, 1484962, 1899370, 2634610, 2969924, 3712405, 3798740, 5269220, 7424810, 8167291, 14849620, 16334582, 32669164, 40836455, 81672910, 163345820]

約数ペア:

[(1, 163345820), (2, 81672910), (4, 40836455), (5, 32669164), (10, 16334582), (11, 14849620), (20, 8167291), (22, 7424810), (31, 5269220), (43, 3798740), (44, 3712405), (55, 2969924), (62, 2634610), (86, 1899370), (110, 1484962), (124, 1317305), (155, 1053844), (172, 949685), (215, 759748), (220, 742481), (310, 526922), (341, 479020), (430, 379874), (473, 345340), (557, 293260), (620, 263461), (682, 239510), (860, 189937), (946, 172670), (1114, 146630), (1333, 122540), (1364, 119755), (1705, 95804), (1892, 86335), (2228, 73315), (2365, 69068), (2666, 61270), (2785, 58652), (3410, 47902), (4730, 34534), (5332, 30635), (5570, 29326), (6127, 26660), (6665, 24508), (6820, 23951), (9460, 17267), (11140, 14663), (12254, 13330)]