131245860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27689}}^1$

素因数の和:27780

約数の個数: 48

約数和(自身を含む): 372153600

約数和(自身を除く): 240907740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 27689, 55378, 83067, 110756, 138445, 166134, 276890, 332268, 415335, 553780, 830670, 1661340, 2187431, 4374862, 6562293, 8749724, 10937155, 13124586, 21874310, 26249172, 32811465, 43748620, 65622930, 131245860]

約数ペア:

[(1, 131245860), (2, 65622930), (3, 43748620), (4, 32811465), (5, 26249172), (6, 21874310), (10, 13124586), (12, 10937155), (15, 8749724), (20, 6562293), (30, 4374862), (60, 2187431), (79, 1661340), (158, 830670), (237, 553780), (316, 415335), (395, 332268), (474, 276890), (790, 166134), (948, 138445), (1185, 110756), (1580, 83067), (2370, 55378), (4740, 27689)]