315919380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{752189}}^1$

素因数の和:752208

約数の個数: 48

約数和(自身を含む): 1010943360

約数和(自身を除く): 695023980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 752189, 1504378, 2256567, 3008756, 3760945, 4513134, 5265323, 7521890, 9026268, 10530646, 11282835, 15043780, 15795969, 21061292, 22565670, 26326615, 31591938, 45131340, 52653230, 63183876, 78979845, 105306460, 157959690, 315919380]

約数ペア:

[(1, 315919380), (2, 157959690), (3, 105306460), (4, 78979845), (5, 63183876), (6, 52653230), (7, 45131340), (10, 31591938), (12, 26326615), (14, 22565670), (15, 21061292), (20, 15795969), (21, 15043780), (28, 11282835), (30, 10530646), (35, 9026268), (42, 7521890), (60, 5265323), (70, 4513134), (84, 3760945), (105, 3008756), (140, 2256567), (210, 1504378), (420, 752189)]