319620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{761}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 1024128

約数和(自身を除く): 704508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 761, 1522, 2283, 3044, 3805, 4566, 5327, 7610, 9132, 10654, 11415, 15220, 15981, 21308, 22830, 26635, 31962, 45660, 53270, 63924, 79905, 106540, 159810, 319620]

約数ペア:

[(1, 319620), (2, 159810), (3, 106540), (4, 79905), (5, 63924), (6, 53270), (7, 45660), (10, 31962), (12, 26635), (14, 22830), (15, 21308), (20, 15981), (21, 15220), (28, 11415), (30, 10654), (35, 9132), (42, 7610), (60, 5327), (70, 4566), (84, 3805), (105, 3044), (140, 2283), (210, 1522), (420, 761)]