15921740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 18672820

約数列:

[1, 2, 4, 5, 10, 20, 59, 103, 118, 131, 206, 236, 262, 295, 412, 515, 524, 590, 655, 1030, 1180, 1310, 2060, 2620, 6077, 7729, 12154, 13493, 15458, 24308, 26986, 30385, 30916, 38645, 53972, 60770, 67465, 77290, 121540, 134930, 154580, 269860, 796087, 1592174, 3184348, 3980435, 7960870, 15921740]

約数ペア:

[(1, 15921740), (2, 7960870), (4, 3980435), (5, 3184348), (10, 1592174), (20, 796087), (59, 269860), (103, 154580), (118, 134930), (131, 121540), (206, 77290), (236, 67465), (262, 60770), (295, 53972), (412, 38645), (515, 30916), (524, 30385), (590, 26986), (655, 24308), (1030, 15458), (1180, 13493), (1310, 12154), (2060, 7729), (2620, 6077)]