87917220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4481}}^1$

素因数の和:4605

約数の個数: 72

約数和(自身を含む): 269188920

約数和(自身を除く): 181271700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4481, 4905, 6540, 8962, 9810, 13443, 17924, 19620, 22405, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 134430, 161316, 201645, 268860, 403290, 488429, 806580, 976858, 1465287, 1953716, 2442145, 2930574, 4395861, 4884290, 5861148, 7326435, 8791722, 9768580, 14652870, 17583444, 21979305, 29305740, 43958610, 87917220]

約数ペア:

[(1, 87917220), (2, 43958610), (3, 29305740), (4, 21979305), (5, 17583444), (6, 14652870), (9, 9768580), (10, 8791722), (12, 7326435), (15, 5861148), (18, 4884290), (20, 4395861), (30, 2930574), (36, 2442145), (45, 1953716), (60, 1465287), (90, 976858), (109, 806580), (180, 488429), (218, 403290), (327, 268860), (436, 201645), (545, 161316), (654, 134430), (981, 89620), (1090, 80658), (1308, 67215), (1635, 53772), (1962, 44810), (2180, 40329), (3270, 26886), (3924, 22405), (4481, 19620), (4905, 17924), (6540, 13443), (8962, 9810)]