1236680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 2851200

約数和(自身を除く): 1614520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 719, 860, 1438, 1720, 2876, 3595, 5752, 7190, 14380, 28760, 30917, 61834, 123668, 154585, 247336, 309170, 618340, 1236680]

約数ペア:

[(1, 1236680), (2, 618340), (4, 309170), (5, 247336), (8, 154585), (10, 123668), (20, 61834), (40, 30917), (43, 28760), (86, 14380), (172, 7190), (215, 5752), (344, 3595), (430, 2876), (719, 1720), (860, 1438)]