1580020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2089100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 103, 118, 130, 206, 236, 260, 295, 412, 515, 590, 767, 1030, 1180, 1339, 1534, 2060, 2678, 3068, 3835, 5356, 6077, 6695, 7670, 12154, 13390, 15340, 24308, 26780, 30385, 60770, 79001, 121540, 158002, 316004, 395005, 790010, 1580020]

約数ペア:

[(1, 1580020), (2, 790010), (4, 395005), (5, 316004), (10, 158002), (13, 121540), (20, 79001), (26, 60770), (52, 30385), (59, 26780), (65, 24308), (103, 15340), (118, 13390), (130, 12154), (206, 7670), (236, 6695), (260, 6077), (295, 5356), (412, 3835), (515, 3068), (590, 2678), (767, 2060), (1030, 1534), (1180, 1339)]