1528660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 2221100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 179, 244, 305, 358, 427, 610, 716, 854, 895, 1220, 1253, 1708, 1790, 2135, 2506, 3580, 4270, 5012, 6265, 8540, 10919, 12530, 21838, 25060, 43676, 54595, 76433, 109190, 152866, 218380, 305732, 382165, 764330, 1528660]

約数ペア:

[(1, 1528660), (2, 764330), (4, 382165), (5, 305732), (7, 218380), (10, 152866), (14, 109190), (20, 76433), (28, 54595), (35, 43676), (61, 25060), (70, 21838), (122, 12530), (140, 10919), (179, 8540), (244, 6265), (305, 5012), (358, 4270), (427, 3580), (610, 2506), (716, 2135), (854, 1790), (895, 1708), (1220, 1253)]