172801920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{90001}}^1$

素因数の和:90023

約数の個数: 64

約数和(自身を含む): 550812240

約数和(自身を除く): 378010320

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, 90001, 180002, 270003, 360004, 450005, 540006, 720008, 900010, 1080012, 1350015, 1440016, 1800020, 2160024, 2700030, 2880032, 3600040, 4320048, 5400060, 5760064, 7200080, 8640096, 10800120, 11520128, 14400160, 17280192, 21600240, 28800320, 34560384, 43200480, 57600640, 86400960, 172801920]

約数ペア:

[(1, 172801920), (2, 86400960), (3, 57600640), (4, 43200480), (5, 34560384), (6, 28800320), (8, 21600240), (10, 17280192), (12, 14400160), (15, 11520128), (16, 10800120), (20, 8640096), (24, 7200080), (30, 5760064), (32, 5400060), (40, 4320048), (48, 3600040), (60, 2880032), (64, 2700030), (80, 2160024), (96, 1800020), (120, 1440016), (128, 1350015), (160, 1080012), (192, 900010), (240, 720008), (320, 540006), (384, 450005), (480, 360004), (640, 270003), (960, 180002), (1920, 90001)]