1491008080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{235919}}^1$

素因数の和:236011

約数の個数: 40

約数和(自身を含む): 3510489600

約数和(自身を除く): 2019481520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 235919, 471838, 943676, 1179595, 1887352, 2359190, 3774704, 4718380, 9436760, 18637601, 18873520, 37275202, 74550404, 93188005, 149100808, 186376010, 298201616, 372752020, 745504040, 1491008080]

約数ペア:

[(1, 1491008080), (2, 745504040), (4, 372752020), (5, 298201616), (8, 186376010), (10, 149100808), (16, 93188005), (20, 74550404), (40, 37275202), (79, 18873520), (80, 18637601), (158, 9436760), (316, 4718380), (395, 3774704), (632, 2359190), (790, 1887352), (1264, 1179595), (1580, 943676), (3160, 471838), (6320, 235919)]