261089604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2357}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 702957528

約数和(自身を除く): 441867924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 181, 204, 306, 362, 543, 612, 724, 1086, 1629, 2172, 2357, 3077, 3258, 4714, 6154, 6516, 7071, 9231, 9428, 12308, 14142, 18462, 21213, 27693, 28284, 36924, 40069, 42426, 55386, 80138, 84852, 110772, 120207, 160276, 240414, 360621, 426617, 480828, 721242, 853234, 1279851, 1442484, 1706468, 2559702, 3839553, 5119404, 7252489, 7679106, 14504978, 15358212, 21757467, 29009956, 43514934, 65272401, 87029868, 130544802, 261089604]

約数ペア:

[(1, 261089604), (2, 130544802), (3, 87029868), (4, 65272401), (6, 43514934), (9, 29009956), (12, 21757467), (17, 15358212), (18, 14504978), (34, 7679106), (36, 7252489), (51, 5119404), (68, 3839553), (102, 2559702), (153, 1706468), (181, 1442484), (204, 1279851), (306, 853234), (362, 721242), (543, 480828), (612, 426617), (724, 360621), (1086, 240414), (1629, 160276), (2172, 120207), (2357, 110772), (3077, 84852), (3258, 80138), (4714, 55386), (6154, 42426), (6516, 40069), (7071, 36924), (9231, 28284), (9428, 27693), (12308, 21213), (14142, 18462)]