1815240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2161}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 6226560

約数和(自身を除く): 4411320

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, 2161, 4322, 6483, 8644, 10805, 12966, 15127, 17288, 21610, 25932, 30254, 32415, 43220, 45381, 51864, 60508, 64830, 75635, 86440, 90762, 121016, 129660, 151270, 181524, 226905, 259320, 302540, 363048, 453810, 605080, 907620, 1815240]

約数ペア:

[(1, 1815240), (2, 907620), (3, 605080), (4, 453810), (5, 363048), (6, 302540), (7, 259320), (8, 226905), (10, 181524), (12, 151270), (14, 129660), (15, 121016), (20, 90762), (21, 86440), (24, 75635), (28, 64830), (30, 60508), (35, 51864), (40, 45381), (42, 43220), (56, 32415), (60, 30254), (70, 25932), (84, 21610), (105, 17288), (120, 15127), (140, 12966), (168, 10805), (210, 8644), (280, 6483), (420, 4322), (840, 2161)]