64121340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1321}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 179897760

約数和(自身を除く): 115776420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 809, 1321, 1618, 2427, 2642, 3236, 3963, 4045, 4854, 5284, 6605, 7926, 8090, 9708, 12135, 13210, 15852, 16180, 19815, 24270, 26420, 39630, 48540, 79260, 1068689, 2137378, 3206067, 4274756, 5343445, 6412134, 10686890, 12824268, 16030335, 21373780, 32060670, 64121340]

約数ペア:

[(1, 64121340), (2, 32060670), (3, 21373780), (4, 16030335), (5, 12824268), (6, 10686890), (10, 6412134), (12, 5343445), (15, 4274756), (20, 3206067), (30, 2137378), (60, 1068689), (809, 79260), (1321, 48540), (1618, 39630), (2427, 26420), (2642, 24270), (3236, 19815), (3963, 16180), (4045, 15852), (4854, 13210), (5284, 12135), (6605, 9708), (7926, 8090)]