30442020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72481}}^1$

素因数の和:72500

約数の個数: 48

約数和(自身を含む): 97415808

約数和(自身を除く): 66973788

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, 72481, 144962, 217443, 289924, 362405, 434886, 507367, 724810, 869772, 1014734, 1087215, 1449620, 1522101, 2029468, 2174430, 2536835, 3044202, 4348860, 5073670, 6088404, 7610505, 10147340, 15221010, 30442020]

約数ペア:

[(1, 30442020), (2, 15221010), (3, 10147340), (4, 7610505), (5, 6088404), (6, 5073670), (7, 4348860), (10, 3044202), (12, 2536835), (14, 2174430), (15, 2029468), (20, 1522101), (21, 1449620), (28, 1087215), (30, 1014734), (35, 869772), (42, 724810), (60, 507367), (70, 434886), (84, 362405), (105, 289924), (140, 217443), (210, 144962), (420, 72481)]