155513260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 384380640

約数和(自身を除く): 228867380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 1783, 2492, 3115, 3566, 4361, 6230, 7132, 8722, 8915, 12460, 12481, 17444, 17830, 21805, 24962, 35660, 43610, 49924, 62405, 87220, 87367, 124810, 158687, 174734, 249620, 317374, 349468, 436835, 634748, 793435, 873670, 1110809, 1586870, 1747340, 2221618, 3173740, 4443236, 5554045, 7775663, 11108090, 15551326, 22216180, 31102652, 38878315, 77756630, 155513260]

約数ペア:

[(1, 155513260), (2, 77756630), (4, 38878315), (5, 31102652), (7, 22216180), (10, 15551326), (14, 11108090), (20, 7775663), (28, 5554045), (35, 4443236), (49, 3173740), (70, 2221618), (89, 1747340), (98, 1586870), (140, 1110809), (178, 873670), (196, 793435), (245, 634748), (356, 436835), (445, 349468), (490, 317374), (623, 249620), (890, 174734), (980, 158687), (1246, 124810), (1780, 87367), (1783, 87220), (2492, 62405), (3115, 49924), (3566, 43610), (4361, 35660), (6230, 24962), (7132, 21805), (8722, 17830), (8915, 17444), (12460, 12481)]