40321920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21001}}^1$

素因数の和:21023

約数の個数: 64

約数和(自身を含む): 128532240

約数和(自身を除く): 88210320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 21001, 42002, 63003, 84004, 105005, 126006, 168008, 210010, 252012, 315015, 336016, 420020, 504024, 630030, 672032, 840040, 1008048, 1260060, 1344064, 1680080, 2016096, 2520120, 2688128, 3360160, 4032192, 5040240, 6720320, 8064384, 10080480, 13440640, 20160960, 40321920]

約数ペア:

[(1, 40321920), (2, 20160960), (3, 13440640), (4, 10080480), (5, 8064384), (6, 6720320), (8, 5040240), (10, 4032192), (12, 3360160), (15, 2688128), (16, 2520120), (20, 2016096), (24, 1680080), (30, 1344064), (32, 1260060), (40, 1008048), (48, 840040), (60, 672032), (64, 630030), (80, 504024), (96, 420020), (120, 336016), (128, 315015), (160, 252012), (192, 210010), (240, 168008), (320, 126006), (384, 105005), (480, 84004), (640, 63003), (960, 42002), (1920, 21001)]