1262660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1882300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 311, 406, 580, 622, 812, 1015, 1244, 1555, 2030, 2177, 3110, 4060, 4354, 6220, 8708, 9019, 10885, 18038, 21770, 36076, 43540, 45095, 63133, 90190, 126266, 180380, 252532, 315665, 631330, 1262660]

約数ペア:

[(1, 1262660), (2, 631330), (4, 315665), (5, 252532), (7, 180380), (10, 126266), (14, 90190), (20, 63133), (28, 45095), (29, 43540), (35, 36076), (58, 21770), (70, 18038), (116, 10885), (140, 9019), (145, 8708), (203, 6220), (290, 4354), (311, 4060), (406, 3110), (580, 2177), (622, 2030), (812, 1555), (1015, 1244)]