72820305

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 133857360

約数和(自身を除く): 61037055

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 87, 123, 145, 205, 261, 369, 435, 615, 1189, 1305, 1361, 1845, 3567, 4083, 5945, 6805, 10701, 12249, 17835, 20415, 39469, 53505, 55801, 61245, 118407, 167403, 197345, 279005, 355221, 502209, 592035, 837015, 1618229, 1776105, 2511045, 4854687, 8091145, 14564061, 24273435, 72820305]

約数ペア:

[(1, 72820305), (3, 24273435), (5, 14564061), (9, 8091145), (15, 4854687), (29, 2511045), (41, 1776105), (45, 1618229), (87, 837015), (123, 592035), (145, 502209), (205, 355221), (261, 279005), (369, 197345), (435, 167403), (615, 118407), (1189, 61245), (1305, 55801), (1361, 53505), (1845, 39469), (3567, 20415), (4083, 17835), (5945, 12249), (6805, 10701)]