80866740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2039}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 226880640

約数和(自身を除く): 146013900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2039, 2644, 3305, 3966, 4078, 6117, 6610, 7932, 8156, 9915, 10195, 12234, 13220, 19830, 20390, 24468, 30585, 39660, 40780, 61170, 122340, 1347779, 2695558, 4043337, 5391116, 6738895, 8086674, 13477790, 16173348, 20216685, 26955580, 40433370, 80866740]

約数ペア:

[(1, 80866740), (2, 40433370), (3, 26955580), (4, 20216685), (5, 16173348), (6, 13477790), (10, 8086674), (12, 6738895), (15, 5391116), (20, 4043337), (30, 2695558), (60, 1347779), (661, 122340), (1322, 61170), (1983, 40780), (2039, 39660), (2644, 30585), (3305, 24468), (3966, 20390), (4078, 19830), (6117, 13220), (6610, 12234), (7932, 10195), (8156, 9915)]