31621380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75289}}^1$

素因数の和:75308

約数の個数: 48

約数和(自身を含む): 101189760

約数和(自身を除く): 69568380

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, 75289, 150578, 225867, 301156, 376445, 451734, 527023, 752890, 903468, 1054046, 1129335, 1505780, 1581069, 2108092, 2258670, 2635115, 3162138, 4517340, 5270230, 6324276, 7905345, 10540460, 15810690, 31621380]

約数ペア:

[(1, 31621380), (2, 15810690), (3, 10540460), (4, 7905345), (5, 6324276), (6, 5270230), (7, 4517340), (10, 3162138), (12, 2635115), (14, 2258670), (15, 2108092), (20, 1581069), (21, 1505780), (28, 1129335), (30, 1054046), (35, 903468), (42, 752890), (60, 527023), (70, 451734), (84, 376445), (105, 301156), (140, 225867), (210, 150578), (420, 75289)]