15678052220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{55333}}^1$

素因数の和:55830

約数の個数: 48

約数和(自身を含む): 34060954368

約数和(自身を除く): 18382902148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 620, 914, 1828, 2285, 4570, 9140, 14167, 28334, 55333, 56668, 70835, 110666, 141670, 221332, 276665, 283340, 553330, 1106660, 1715323, 3430646, 6861292, 8576615, 17153230, 25287181, 34306460, 50574362, 101148724, 126435905, 252871810, 505743620, 783902611, 1567805222, 3135610444, 3919513055, 7839026110, 15678052220]

約数ペア:

[(1, 15678052220), (2, 7839026110), (4, 3919513055), (5, 3135610444), (10, 1567805222), (20, 783902611), (31, 505743620), (62, 252871810), (124, 126435905), (155, 101148724), (310, 50574362), (457, 34306460), (620, 25287181), (914, 17153230), (1828, 8576615), (2285, 6861292), (4570, 3430646), (9140, 1715323), (14167, 1106660), (28334, 553330), (55333, 283340), (56668, 276665), (70835, 221332), (110666, 141670)]