31828020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75781}}^1$

素因数の和:75800

約数の個数: 48

約数和(自身を含む): 101851008

約数和(自身を除く): 70022988

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, 75781, 151562, 227343, 303124, 378905, 454686, 530467, 757810, 909372, 1060934, 1136715, 1515620, 1591401, 2121868, 2273430, 2652335, 3182802, 4546860, 5304670, 6365604, 7957005, 10609340, 15914010, 31828020]

約数ペア:

[(1, 31828020), (2, 15914010), (3, 10609340), (4, 7957005), (5, 6365604), (6, 5304670), (7, 4546860), (10, 3182802), (12, 2652335), (14, 2273430), (15, 2121868), (20, 1591401), (21, 1515620), (28, 1136715), (30, 1060934), (35, 909372), (42, 757810), (60, 530467), (70, 454686), (84, 378905), (105, 303124), (140, 227343), (210, 151562), (420, 75781)]