555240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 1906560

約数和(自身を除く): 1351320

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, 661, 840, 1322, 1983, 2644, 3305, 3966, 4627, 5288, 6610, 7932, 9254, 9915, 13220, 13881, 15864, 18508, 19830, 23135, 26440, 27762, 37016, 39660, 46270, 55524, 69405, 79320, 92540, 111048, 138810, 185080, 277620, 555240]

約数ペア:

[(1, 555240), (2, 277620), (3, 185080), (4, 138810), (5, 111048), (6, 92540), (7, 79320), (8, 69405), (10, 55524), (12, 46270), (14, 39660), (15, 37016), (20, 27762), (21, 26440), (24, 23135), (28, 19830), (30, 18508), (35, 15864), (40, 13881), (42, 13220), (56, 9915), (60, 9254), (70, 7932), (84, 6610), (105, 5288), (120, 4627), (140, 3966), (168, 3305), (210, 2644), (280, 1983), (420, 1322), (661, 840)]