68385780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5351}}^1$

素因数の和:5437

約数の個数: 72

約数和(自身を含む): 210397824

約数和(自身を除く): 142012044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5351, 6390, 10702, 12780, 16053, 21404, 26755, 32106, 48159, 53510, 64212, 80265, 96318, 107020, 160530, 192636, 240795, 321060, 379921, 481590, 759842, 963180, 1139763, 1519684, 1899605, 2279526, 3419289, 3799210, 4559052, 5698815, 6838578, 7598420, 11397630, 13677156, 17096445, 22795260, 34192890, 68385780]

約数ペア:

[(1, 68385780), (2, 34192890), (3, 22795260), (4, 17096445), (5, 13677156), (6, 11397630), (9, 7598420), (10, 6838578), (12, 5698815), (15, 4559052), (18, 3799210), (20, 3419289), (30, 2279526), (36, 1899605), (45, 1519684), (60, 1139763), (71, 963180), (90, 759842), (142, 481590), (180, 379921), (213, 321060), (284, 240795), (355, 192636), (426, 160530), (639, 107020), (710, 96318), (852, 80265), (1065, 64212), (1278, 53510), (1420, 48159), (2130, 32106), (2556, 26755), (3195, 21404), (4260, 16053), (5351, 12780), (6390, 10702)]