15189520

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 35544600

約数和(自身を除く): 20355080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1049, 1448, 1810, 2098, 2896, 3620, 4196, 5245, 7240, 8392, 10490, 14480, 16784, 20980, 41960, 83920, 189869, 379738, 759476, 949345, 1518952, 1898690, 3037904, 3797380, 7594760, 15189520]

約数ペア:

[(1, 15189520), (2, 7594760), (4, 3797380), (5, 3037904), (8, 1898690), (10, 1518952), (16, 949345), (20, 759476), (40, 379738), (80, 189869), (181, 83920), (362, 41960), (724, 20980), (905, 16784), (1049, 14480), (1448, 10490), (1810, 8392), (2098, 7240), (2896, 5245), (3620, 4196)]