80390820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2027}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 225546048

約数和(自身を除く): 145155228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2027, 2644, 3305, 3966, 4054, 6081, 6610, 7932, 8108, 9915, 10135, 12162, 13220, 19830, 20270, 24324, 30405, 39660, 40540, 60810, 121620, 1339847, 2679694, 4019541, 5359388, 6699235, 8039082, 13398470, 16078164, 20097705, 26796940, 40195410, 80390820]

約数ペア:

[(1, 80390820), (2, 40195410), (3, 26796940), (4, 20097705), (5, 16078164), (6, 13398470), (10, 8039082), (12, 6699235), (15, 5359388), (20, 4019541), (30, 2679694), (60, 1339847), (661, 121620), (1322, 60810), (1983, 40540), (2027, 39660), (2644, 30405), (3305, 24324), (3966, 20270), (4054, 19830), (6081, 13220), (6610, 12162), (7932, 10135), (8108, 9915)]