8720340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 24675840

約数和(自身を除く): 15955500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1439, 1515, 2020, 2878, 3030, 4317, 5756, 6060, 7195, 8634, 14390, 17268, 21585, 28780, 43170, 86340, 145339, 290678, 436017, 581356, 726695, 872034, 1453390, 1744068, 2180085, 2906780, 4360170, 8720340]

約数ペア:

[(1, 8720340), (2, 4360170), (3, 2906780), (4, 2180085), (5, 1744068), (6, 1453390), (10, 872034), (12, 726695), (15, 581356), (20, 436017), (30, 290678), (60, 145339), (101, 86340), (202, 43170), (303, 28780), (404, 21585), (505, 17268), (606, 14390), (1010, 8634), (1212, 7195), (1439, 6060), (1515, 5756), (2020, 4317), (2878, 3030)]