1491440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 3520608

約数和(自身を除く): 2029168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 181, 206, 362, 412, 515, 724, 824, 905, 1030, 1448, 1648, 1810, 2060, 2896, 3620, 4120, 7240, 8240, 14480, 18643, 37286, 74572, 93215, 149144, 186430, 298288, 372860, 745720, 1491440]

約数ペア:

[(1, 1491440), (2, 745720), (4, 372860), (5, 298288), (8, 186430), (10, 149144), (16, 93215), (20, 74572), (40, 37286), (80, 18643), (103, 14480), (181, 8240), (206, 7240), (362, 4120), (412, 3620), (515, 2896), (724, 2060), (824, 1810), (905, 1648), (1030, 1448)]