205816860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1699}}^1$

素因数の和:2387

約数の個数: 72

約数和(自身を含む): 625606800

約数和(自身を除く): 419789940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 1346, 1699, 2019, 2692, 3365, 3398, 4038, 5097, 6057, 6730, 6796, 8076, 8495, 10095, 10194, 12114, 13460, 15291, 16990, 20190, 20388, 24228, 25485, 30285, 30582, 33980, 40380, 50970, 60570, 61164, 76455, 101940, 121140, 152910, 305820, 1143427, 2286854, 3430281, 4573708, 5717135, 6860562, 10290843, 11434270, 13721124, 17151405, 20581686, 22868540, 34302810, 41163372, 51454215, 68605620, 102908430, 205816860]

約数ペア:

[(1, 205816860), (2, 102908430), (3, 68605620), (4, 51454215), (5, 41163372), (6, 34302810), (9, 22868540), (10, 20581686), (12, 17151405), (15, 13721124), (18, 11434270), (20, 10290843), (30, 6860562), (36, 5717135), (45, 4573708), (60, 3430281), (90, 2286854), (180, 1143427), (673, 305820), (1346, 152910), (1699, 121140), (2019, 101940), (2692, 76455), (3365, 61164), (3398, 60570), (4038, 50970), (5097, 40380), (6057, 33980), (6730, 30582), (6796, 30285), (8076, 25485), (8495, 24228), (10095, 20388), (10194, 20190), (12114, 16990), (13460, 15291)]