155521920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{81001}}^1$

素因数の和:81023

約数の個数: 64

約数和(自身を含む): 495732240

約数和(自身を除く): 340210320

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, 81001, 162002, 243003, 324004, 405005, 486006, 648008, 810010, 972012, 1215015, 1296016, 1620020, 1944024, 2430030, 2592032, 3240040, 3888048, 4860060, 5184064, 6480080, 7776096, 9720120, 10368128, 12960160, 15552192, 19440240, 25920320, 31104384, 38880480, 51840640, 77760960, 155521920]

約数ペア:

[(1, 155521920), (2, 77760960), (3, 51840640), (4, 38880480), (5, 31104384), (6, 25920320), (8, 19440240), (10, 15552192), (12, 12960160), (15, 10368128), (16, 9720120), (20, 7776096), (24, 6480080), (30, 5184064), (32, 4860060), (40, 3888048), (48, 3240040), (60, 2592032), (64, 2430030), (80, 1944024), (96, 1620020), (120, 1296016), (128, 1215015), (160, 972012), (192, 810010), (240, 648008), (320, 486006), (384, 405005), (480, 324004), (640, 243003), (960, 162002), (1920, 81001)]