28511220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4441}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 80595648

約数和(自身を除く): 52084428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 4441, 6420, 8882, 13323, 17764, 22205, 26646, 44410, 53292, 66615, 88820, 133230, 266460, 475187, 950374, 1425561, 1900748, 2375935, 2851122, 4751870, 5702244, 7127805, 9503740, 14255610, 28511220]

約数ペア:

[(1, 28511220), (2, 14255610), (3, 9503740), (4, 7127805), (5, 5702244), (6, 4751870), (10, 2851122), (12, 2375935), (15, 1900748), (20, 1425561), (30, 950374), (60, 475187), (107, 266460), (214, 133230), (321, 88820), (428, 66615), (535, 53292), (642, 44410), (1070, 26646), (1284, 22205), (1605, 17764), (2140, 13323), (3210, 8882), (4441, 6420)]