216787620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{516161}}^1$

素因数の和:516180

約数の個数: 48

約数和(自身を含む): 693721728

約数和(自身を除く): 476934108

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, 516161, 1032322, 1548483, 2064644, 2580805, 3096966, 3613127, 5161610, 6193932, 7226254, 7742415, 10323220, 10839381, 14452508, 15484830, 18065635, 21678762, 30969660, 36131270, 43357524, 54196905, 72262540, 108393810, 216787620]

約数ペア:

[(1, 216787620), (2, 108393810), (3, 72262540), (4, 54196905), (5, 43357524), (6, 36131270), (7, 30969660), (10, 21678762), (12, 18065635), (14, 15484830), (15, 14452508), (20, 10839381), (21, 10323220), (28, 7742415), (30, 7226254), (35, 6193932), (42, 5161610), (60, 3613127), (70, 3096966), (84, 2580805), (105, 2064644), (140, 1548483), (210, 1032322), (420, 516161)]