2615640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 7983360

約数和(自身を除く): 5367720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 307, 355, 426, 568, 614, 710, 852, 921, 1065, 1228, 1420, 1535, 1704, 1842, 2130, 2456, 2840, 3070, 3684, 4260, 4605, 6140, 7368, 8520, 9210, 12280, 18420, 21797, 36840, 43594, 65391, 87188, 108985, 130782, 174376, 217970, 261564, 326955, 435940, 523128, 653910, 871880, 1307820, 2615640]

約数ペア:

[(1, 2615640), (2, 1307820), (3, 871880), (4, 653910), (5, 523128), (6, 435940), (8, 326955), (10, 261564), (12, 217970), (15, 174376), (20, 130782), (24, 108985), (30, 87188), (40, 65391), (60, 43594), (71, 36840), (120, 21797), (142, 18420), (213, 12280), (284, 9210), (307, 8520), (355, 7368), (426, 6140), (568, 4605), (614, 4260), (710, 3684), (852, 3070), (921, 2840), (1065, 2456), (1228, 2130), (1420, 1842), (1535, 1704)]