213495240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254161}}^1$

素因数の和:254182

約数の個数: 64

約数和(自身を含む): 731986560

約数和(自身を除く): 518491320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 254161, 508322, 762483, 1016644, 1270805, 1524966, 1779127, 2033288, 2541610, 3049932, 3558254, 3812415, 5083220, 5337381, 6099864, 7116508, 7624830, 8895635, 10166440, 10674762, 14233016, 15249660, 17791270, 21349524, 26686905, 30499320, 35582540, 42699048, 53373810, 71165080, 106747620, 213495240]

約数ペア:

[(1, 213495240), (2, 106747620), (3, 71165080), (4, 53373810), (5, 42699048), (6, 35582540), (7, 30499320), (8, 26686905), (10, 21349524), (12, 17791270), (14, 15249660), (15, 14233016), (20, 10674762), (21, 10166440), (24, 8895635), (28, 7624830), (30, 7116508), (35, 6099864), (40, 5337381), (42, 5083220), (56, 3812415), (60, 3558254), (70, 3049932), (84, 2541610), (105, 2033288), (120, 1779127), (140, 1524966), (168, 1270805), (210, 1016644), (280, 762483), (420, 508322), (840, 254161)]