15165220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 21525980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 727, 745, 1043, 1454, 1490, 2086, 2908, 2980, 3635, 4172, 5089, 5215, 7270, 10178, 10430, 14540, 20356, 20860, 25445, 50890, 101780, 108323, 216646, 433292, 541615, 758261, 1083230, 1516522, 2166460, 3033044, 3791305, 7582610, 15165220]

約数ペア:

[(1, 15165220), (2, 7582610), (4, 3791305), (5, 3033044), (7, 2166460), (10, 1516522), (14, 1083230), (20, 758261), (28, 541615), (35, 433292), (70, 216646), (140, 108323), (149, 101780), (298, 50890), (596, 25445), (727, 20860), (745, 20356), (1043, 14540), (1454, 10430), (1490, 10178), (2086, 7270), (2908, 5215), (2980, 5089), (3635, 4172)]