71049780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{394721}}^1$

素因数の和:394736

約数の個数: 36

約数和(自身を含む): 215518212

約数和(自身を除く): 144468432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 394721, 789442, 1184163, 1578884, 1973605, 2368326, 3552489, 3947210, 4736652, 5920815, 7104978, 7894420, 11841630, 14209956, 17762445, 23683260, 35524890, 71049780]

約数ペア:

[(1, 71049780), (2, 35524890), (3, 23683260), (4, 17762445), (5, 14209956), (6, 11841630), (9, 7894420), (10, 7104978), (12, 5920815), (15, 4736652), (18, 3947210), (20, 3552489), (30, 2368326), (36, 1973605), (45, 1578884), (60, 1184163), (90, 789442), (180, 394721)]