180308180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{693493}}^1$

素因数の和:693515

約数の個数: 24

約数和(自身を含む): 407774472

約数和(自身を除く): 227466292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 693493, 1386986, 2773972, 3467465, 6934930, 9015409, 13869860, 18030818, 36061636, 45077045, 90154090, 180308180]

約数ペア:

[(1, 180308180), (2, 90154090), (4, 45077045), (5, 36061636), (10, 18030818), (13, 13869860), (20, 9015409), (26, 6934930), (52, 3467465), (65, 2773972), (130, 1386986), (260, 693493)]