15475820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 34003200

約数和(自身を除く): 18527380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 229, 310, 436, 458, 545, 620, 916, 1090, 1145, 2180, 2290, 3379, 4580, 6758, 7099, 13516, 14198, 16895, 24961, 28396, 33790, 35495, 49922, 67580, 70990, 99844, 124805, 141980, 249610, 499220, 773791, 1547582, 3095164, 3868955, 7737910, 15475820]

約数ペア:

[(1, 15475820), (2, 7737910), (4, 3868955), (5, 3095164), (10, 1547582), (20, 773791), (31, 499220), (62, 249610), (109, 141980), (124, 124805), (155, 99844), (218, 70990), (229, 67580), (310, 49922), (436, 35495), (458, 33790), (545, 28396), (620, 24961), (916, 16895), (1090, 14198), (1145, 13516), (2180, 7099), (2290, 6758), (3379, 4580)]