18195240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21661}}^1$

素因数の和:21682

約数の個数: 64

約数和(自身を含む): 62386560

約数和(自身を除く): 44191320

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, 21661, 43322, 64983, 86644, 108305, 129966, 151627, 173288, 216610, 259932, 303254, 324915, 433220, 454881, 519864, 606508, 649830, 758135, 866440, 909762, 1213016, 1299660, 1516270, 1819524, 2274405, 2599320, 3032540, 3639048, 4548810, 6065080, 9097620, 18195240]

約数ペア:

[(1, 18195240), (2, 9097620), (3, 6065080), (4, 4548810), (5, 3639048), (6, 3032540), (7, 2599320), (8, 2274405), (10, 1819524), (12, 1516270), (14, 1299660), (15, 1213016), (20, 909762), (21, 866440), (24, 758135), (28, 649830), (30, 606508), (35, 519864), (40, 454881), (42, 433220), (56, 324915), (60, 303254), (70, 259932), (84, 216610), (105, 173288), (120, 151627), (140, 129966), (168, 108305), (210, 86644), (280, 64983), (420, 43322), (840, 21661)]