2871240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 8760960

約数和(自身を除く): 5889720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 337, 355, 426, 568, 674, 710, 852, 1011, 1065, 1348, 1420, 1685, 1704, 2022, 2130, 2696, 2840, 3370, 4044, 4260, 5055, 6740, 8088, 8520, 10110, 13480, 20220, 23927, 40440, 47854, 71781, 95708, 119635, 143562, 191416, 239270, 287124, 358905, 478540, 574248, 717810, 957080, 1435620, 2871240]

約数ペア:

[(1, 2871240), (2, 1435620), (3, 957080), (4, 717810), (5, 574248), (6, 478540), (8, 358905), (10, 287124), (12, 239270), (15, 191416), (20, 143562), (24, 119635), (30, 95708), (40, 71781), (60, 47854), (71, 40440), (120, 23927), (142, 20220), (213, 13480), (284, 10110), (337, 8520), (355, 8088), (426, 6740), (568, 5055), (674, 4260), (710, 4044), (852, 3370), (1011, 2840), (1065, 2696), (1348, 2130), (1420, 2022), (1685, 1704)]