15594020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 36241968

約数和(自身を除く): 20647948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1621, 1924, 2405, 3242, 4810, 6484, 8105, 9620, 16210, 21073, 32420, 42146, 59977, 84292, 105365, 119954, 210730, 239908, 299885, 421460, 599770, 779701, 1199540, 1559402, 3118804, 3898505, 7797010, 15594020]

約数ペア:

[(1, 15594020), (2, 7797010), (4, 3898505), (5, 3118804), (10, 1559402), (13, 1199540), (20, 779701), (26, 599770), (37, 421460), (52, 299885), (65, 239908), (74, 210730), (130, 119954), (148, 105365), (185, 84292), (260, 59977), (370, 42146), (481, 32420), (740, 21073), (962, 16210), (1621, 9620), (1924, 8105), (2405, 6484), (3242, 4810)]