81322440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677687}}^1$

素因数の和:677701

約数の個数: 32

約数和(自身を含む): 243967680

約数和(自身を除く): 162645240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677687, 1355374, 2033061, 2710748, 3388435, 4066122, 5421496, 6776870, 8132244, 10165305, 13553740, 16264488, 20330610, 27107480, 40661220, 81322440]

約数ペア:

[(1, 81322440), (2, 40661220), (3, 27107480), (4, 20330610), (5, 16264488), (6, 13553740), (8, 10165305), (10, 8132244), (12, 6776870), (15, 5421496), (20, 4066122), (24, 3388435), (30, 2710748), (40, 2033061), (60, 1355374), (120, 677687)]