15649980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2689}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 44288160

約数和(自身を除く): 28638180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2689, 2910, 5378, 5820, 8067, 10756, 13445, 16134, 26890, 32268, 40335, 53780, 80670, 161340, 260833, 521666, 782499, 1043332, 1304165, 1564998, 2608330, 3129996, 3912495, 5216660, 7824990, 15649980]

約数ペア:

[(1, 15649980), (2, 7824990), (3, 5216660), (4, 3912495), (5, 3129996), (6, 2608330), (10, 1564998), (12, 1304165), (15, 1043332), (20, 782499), (30, 521666), (60, 260833), (97, 161340), (194, 80670), (291, 53780), (388, 40335), (485, 32268), (582, 26890), (970, 16134), (1164, 13445), (1455, 10756), (1940, 8067), (2689, 5820), (2910, 5378)]