164439240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195761}}^1$

素因数の和:195782

約数の個数: 64

約数和(自身を含む): 563794560

約数和(自身を除く): 399355320

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, 195761, 391522, 587283, 783044, 978805, 1174566, 1370327, 1566088, 1957610, 2349132, 2740654, 2936415, 3915220, 4110981, 4698264, 5481308, 5872830, 6851635, 7830440, 8221962, 10962616, 11745660, 13703270, 16443924, 20554905, 23491320, 27406540, 32887848, 41109810, 54813080, 82219620, 164439240]

約数ペア:

[(1, 164439240), (2, 82219620), (3, 54813080), (4, 41109810), (5, 32887848), (6, 27406540), (7, 23491320), (8, 20554905), (10, 16443924), (12, 13703270), (14, 11745660), (15, 10962616), (20, 8221962), (21, 7830440), (24, 6851635), (28, 5872830), (30, 5481308), (35, 4698264), (40, 4110981), (42, 3915220), (56, 2936415), (60, 2740654), (70, 2349132), (84, 1957610), (105, 1566088), (120, 1370327), (140, 1174566), (168, 978805), (210, 783044), (280, 587283), (420, 391522), (840, 195761)]