15150940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3538

約数の個数: 48

約数和(自身を含む): 37545984

約数和(自身を除く): 22395044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3491, 4340, 6982, 13964, 17455, 24437, 34910, 48874, 69820, 97748, 108221, 122185, 216442, 244370, 432884, 488740, 541105, 757547, 1082210, 1515094, 2164420, 3030188, 3787735, 7575470, 15150940]

約数ペア:

[(1, 15150940), (2, 7575470), (4, 3787735), (5, 3030188), (7, 2164420), (10, 1515094), (14, 1082210), (20, 757547), (28, 541105), (31, 488740), (35, 432884), (62, 244370), (70, 216442), (124, 122185), (140, 108221), (155, 97748), (217, 69820), (310, 48874), (434, 34910), (620, 24437), (868, 17455), (1085, 13964), (2170, 6982), (3491, 4340)]