12884220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 40360320

約数和(自身を除く): 27476100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2309, 2790, 4618, 5580, 6927, 9236, 11545, 13854, 20781, 23090, 27708, 34635, 41562, 46180, 69270, 71579, 83124, 103905, 138540, 143158, 207810, 214737, 286316, 357895, 415620, 429474, 644211, 715790, 858948, 1073685, 1288422, 1431580, 2147370, 2576844, 3221055, 4294740, 6442110, 12884220]

約数ペア:

[(1, 12884220), (2, 6442110), (3, 4294740), (4, 3221055), (5, 2576844), (6, 2147370), (9, 1431580), (10, 1288422), (12, 1073685), (15, 858948), (18, 715790), (20, 644211), (30, 429474), (31, 415620), (36, 357895), (45, 286316), (60, 214737), (62, 207810), (90, 143158), (93, 138540), (124, 103905), (155, 83124), (180, 71579), (186, 69270), (279, 46180), (310, 41562), (372, 34635), (465, 27708), (558, 23090), (620, 20781), (930, 13854), (1116, 11545), (1395, 9236), (1860, 6927), (2309, 5580), (2790, 4618)]