145878180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347329}}^1$

素因数の和:347348

約数の個数: 48

約数和(自身を含む): 466811520

約数和(自身を除く): 320933340

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, 347329, 694658, 1041987, 1389316, 1736645, 2083974, 2431303, 3473290, 4167948, 4862606, 5209935, 6946580, 7293909, 9725212, 10419870, 12156515, 14587818, 20839740, 24313030, 29175636, 36469545, 48626060, 72939090, 145878180]

約数ペア:

[(1, 145878180), (2, 72939090), (3, 48626060), (4, 36469545), (5, 29175636), (6, 24313030), (7, 20839740), (10, 14587818), (12, 12156515), (14, 10419870), (15, 9725212), (20, 7293909), (21, 6946580), (28, 5209935), (30, 4862606), (35, 4167948), (42, 3473290), (60, 2431303), (70, 2083974), (84, 1736645), (105, 1389316), (140, 1041987), (210, 694658), (420, 347329)]