30943760

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2137}}^1$

素因数の和:2331

約数の個数: 40

約数和(自身を含む): 72375576

約数和(自身を除く): 41431816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2137, 2896, 3620, 4274, 7240, 8548, 10685, 14480, 17096, 21370, 34192, 42740, 85480, 170960, 386797, 773594, 1547188, 1933985, 3094376, 3867970, 6188752, 7735940, 15471880, 30943760]

約数ペア:

[(1, 30943760), (2, 15471880), (4, 7735940), (5, 6188752), (8, 3867970), (10, 3094376), (16, 1933985), (20, 1547188), (40, 773594), (80, 386797), (181, 170960), (362, 85480), (724, 42740), (905, 34192), (1448, 21370), (1810, 17096), (2137, 14480), (2896, 10685), (3620, 8548), (4274, 7240)]