31789380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75689}}^1$

素因数の和:75708

約数の個数: 48

約数和(自身を含む): 101727360

約数和(自身を除く): 69937980

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, 75689, 151378, 227067, 302756, 378445, 454134, 529823, 756890, 908268, 1059646, 1135335, 1513780, 1589469, 2119292, 2270670, 2649115, 3178938, 4541340, 5298230, 6357876, 7947345, 10596460, 15894690, 31789380]

約数ペア:

[(1, 31789380), (2, 15894690), (3, 10596460), (4, 7947345), (5, 6357876), (6, 5298230), (7, 4541340), (10, 3178938), (12, 2649115), (14, 2270670), (15, 2119292), (20, 1589469), (21, 1513780), (28, 1135335), (30, 1059646), (35, 908268), (42, 756890), (60, 529823), (70, 454134), (84, 378445), (105, 302756), (140, 227067), (210, 151378), (420, 75689)]