28175640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3392

約数の個数: 64

約数和(自身を含む): 85743360

約数和(自身を除く): 57567720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3307, 4260, 6614, 8520, 9921, 13228, 16535, 19842, 26456, 33070, 39684, 49605, 66140, 79368, 99210, 132280, 198420, 234797, 396840, 469594, 704391, 939188, 1173985, 1408782, 1878376, 2347970, 2817564, 3521955, 4695940, 5635128, 7043910, 9391880, 14087820, 28175640]

約数ペア:

[(1, 28175640), (2, 14087820), (3, 9391880), (4, 7043910), (5, 5635128), (6, 4695940), (8, 3521955), (10, 2817564), (12, 2347970), (15, 1878376), (20, 1408782), (24, 1173985), (30, 939188), (40, 704391), (60, 469594), (71, 396840), (120, 234797), (142, 198420), (213, 132280), (284, 99210), (355, 79368), (426, 66140), (568, 49605), (710, 39684), (852, 33070), (1065, 26456), (1420, 19842), (1704, 16535), (2130, 13228), (2840, 9921), (3307, 8520), (4260, 6614)]