30559240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 71438400

約数和(自身を除く): 40879160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 163, 172, 215, 218, 326, 344, 430, 436, 545, 652, 815, 860, 872, 1090, 1304, 1630, 1720, 2180, 3260, 4360, 4687, 6520, 7009, 9374, 14018, 17767, 18748, 23435, 28036, 35045, 35534, 37496, 46870, 56072, 70090, 71068, 88835, 93740, 140180, 142136, 177670, 187480, 280360, 355340, 710680, 763981, 1527962, 3055924, 3819905, 6111848, 7639810, 15279620, 30559240]

約数ペア:

[(1, 30559240), (2, 15279620), (4, 7639810), (5, 6111848), (8, 3819905), (10, 3055924), (20, 1527962), (40, 763981), (43, 710680), (86, 355340), (109, 280360), (163, 187480), (172, 177670), (215, 142136), (218, 140180), (326, 93740), (344, 88835), (430, 71068), (436, 70090), (545, 56072), (652, 46870), (815, 37496), (860, 35534), (872, 35045), (1090, 28036), (1304, 23435), (1630, 18748), (1720, 17767), (2180, 14018), (3260, 9374), (4360, 7009), (4687, 6520)]