1811138280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2156117}}^1$

素因数の和:2156138

約数の個数: 64

約数和(自身を含む): 6209619840

約数和(自身を除く): 4398481560

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, 2156117, 4312234, 6468351, 8624468, 10780585, 12936702, 15092819, 17248936, 21561170, 25873404, 30185638, 32341755, 43122340, 45278457, 51746808, 60371276, 64683510, 75464095, 86244680, 90556914, 120742552, 129367020, 150928190, 181113828, 226392285, 258734040, 301856380, 362227656, 452784570, 603712760, 905569140, 1811138280]

約数ペア:

[(1, 1811138280), (2, 905569140), (3, 603712760), (4, 452784570), (5, 362227656), (6, 301856380), (7, 258734040), (8, 226392285), (10, 181113828), (12, 150928190), (14, 129367020), (15, 120742552), (20, 90556914), (21, 86244680), (24, 75464095), (28, 64683510), (30, 60371276), (35, 51746808), (40, 45278457), (42, 43122340), (56, 32341755), (60, 30185638), (70, 25873404), (84, 21561170), (105, 17248936), (120, 15092819), (140, 12936702), (168, 10780585), (210, 8624468), (280, 6468351), (420, 4312234), (840, 2156117)]