78318420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1305307}}^1$

素因数の和:1305319

約数の個数: 24

約数和(自身を含む): 219291744

約数和(自身を除く): 140973324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1305307, 2610614, 3915921, 5221228, 6526535, 7831842, 13053070, 15663684, 19579605, 26106140, 39159210, 78318420]

約数ペア:

[(1, 78318420), (2, 39159210), (3, 26106140), (4, 19579605), (5, 15663684), (6, 13053070), (10, 7831842), (12, 6526535), (15, 5221228), (20, 3915921), (30, 2610614), (60, 1305307)]