1421360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 3355440

約数和(自身を除く): 1934080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 163, 218, 326, 436, 545, 652, 815, 872, 1090, 1304, 1630, 1744, 2180, 2608, 3260, 4360, 6520, 8720, 13040, 17767, 35534, 71068, 88835, 142136, 177670, 284272, 355340, 710680, 1421360]

約数ペア:

[(1, 1421360), (2, 710680), (4, 355340), (5, 284272), (8, 177670), (10, 142136), (16, 88835), (20, 71068), (40, 35534), (80, 17767), (109, 13040), (163, 8720), (218, 6520), (326, 4360), (436, 3260), (545, 2608), (652, 2180), (815, 1744), (872, 1630), (1090, 1304)]