81048990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 213062400

約数和(自身を除く): 132013410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 449, 547, 898, 1094, 1347, 1641, 2245, 2694, 2735, 3282, 4490, 4939, 5470, 6017, 6735, 8205, 9878, 12034, 13470, 14817, 16410, 18051, 24695, 29634, 30085, 36102, 49390, 60170, 74085, 90255, 148170, 180510, 245603, 491206, 736809, 1228015, 1473618, 2456030, 2701633, 3684045, 5403266, 7368090, 8104899, 13508165, 16209798, 27016330, 40524495, 81048990]

約数ペア:

[(1, 81048990), (2, 40524495), (3, 27016330), (5, 16209798), (6, 13508165), (10, 8104899), (11, 7368090), (15, 5403266), (22, 3684045), (30, 2701633), (33, 2456030), (55, 1473618), (66, 1228015), (110, 736809), (165, 491206), (330, 245603), (449, 180510), (547, 148170), (898, 90255), (1094, 74085), (1347, 60170), (1641, 49390), (2245, 36102), (2694, 30085), (2735, 29634), (3282, 24695), (4490, 18051), (4939, 16410), (5470, 14817), (6017, 13470), (6735, 12034), (8205, 9878)]