15091420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 33175296

約数和(自身を除く): 18083876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 241, 310, 404, 482, 505, 620, 964, 1010, 1205, 2020, 2410, 3131, 4820, 6262, 7471, 12524, 14942, 15655, 24341, 29884, 31310, 37355, 48682, 62620, 74710, 97364, 121705, 149420, 243410, 486820, 754571, 1509142, 3018284, 3772855, 7545710, 15091420]

約数ペア:

[(1, 15091420), (2, 7545710), (4, 3772855), (5, 3018284), (10, 1509142), (20, 754571), (31, 486820), (62, 243410), (101, 149420), (124, 121705), (155, 97364), (202, 74710), (241, 62620), (310, 48682), (404, 37355), (482, 31310), (505, 29884), (620, 24341), (964, 15655), (1010, 14942), (1205, 12524), (2020, 7471), (2410, 6262), (3131, 4820)]