78997620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101279}}^1$

素因数の和:101304

約数の個数: 48

約数和(自身を含む): 238210560

約数和(自身を除く): 159212940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 101279, 202558, 303837, 405116, 506395, 607674, 1012790, 1215348, 1316627, 1519185, 2025580, 2633254, 3038370, 3949881, 5266508, 6076740, 6583135, 7899762, 13166270, 15799524, 19749405, 26332540, 39498810, 78997620]

約数ペア:

[(1, 78997620), (2, 39498810), (3, 26332540), (4, 19749405), (5, 15799524), (6, 13166270), (10, 7899762), (12, 6583135), (13, 6076740), (15, 5266508), (20, 3949881), (26, 3038370), (30, 2633254), (39, 2025580), (52, 1519185), (60, 1316627), (65, 1215348), (78, 1012790), (130, 607674), (156, 506395), (195, 405116), (260, 303837), (390, 202558), (780, 101279)]