345402120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{411193}}^1$

素因数の和:411214

約数の個数: 64

約数和(自身を含む): 1184238720

約数和(自身を除く): 838836600

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, 411193, 822386, 1233579, 1644772, 2055965, 2467158, 2878351, 3289544, 4111930, 4934316, 5756702, 6167895, 8223860, 8635053, 9868632, 11513404, 12335790, 14391755, 16447720, 17270106, 23026808, 24671580, 28783510, 34540212, 43175265, 49343160, 57567020, 69080424, 86350530, 115134040, 172701060, 345402120]

約数ペア:

[(1, 345402120), (2, 172701060), (3, 115134040), (4, 86350530), (5, 69080424), (6, 57567020), (7, 49343160), (8, 43175265), (10, 34540212), (12, 28783510), (14, 24671580), (15, 23026808), (20, 17270106), (21, 16447720), (24, 14391755), (28, 12335790), (30, 11513404), (35, 9868632), (40, 8635053), (42, 8223860), (56, 6167895), (60, 5756702), (70, 4934316), (84, 4111930), (105, 3289544), (120, 2878351), (140, 2467158), (168, 2055965), (210, 1644772), (280, 1233579), (420, 822386), (840, 411193)]