1357520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 3214080

約数和(自身を除く): 1856560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 239, 284, 355, 478, 568, 710, 956, 1136, 1195, 1420, 1912, 2390, 2840, 3824, 4780, 5680, 9560, 16969, 19120, 33938, 67876, 84845, 135752, 169690, 271504, 339380, 678760, 1357520]

約数ペア:

[(1, 1357520), (2, 678760), (4, 339380), (5, 271504), (8, 169690), (10, 135752), (16, 84845), (20, 67876), (40, 33938), (71, 19120), (80, 16969), (142, 9560), (239, 5680), (284, 4780), (355, 3824), (478, 2840), (568, 2390), (710, 1912), (956, 1420), (1136, 1195)]