81337740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123239}}^1$

素因数の和:123262

約数の個数: 48

約数和(自身を含む): 248451840

約数和(自身を除く): 167114100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 123239, 246478, 369717, 492956, 616195, 739434, 1232390, 1355629, 1478868, 1848585, 2464780, 2711258, 3697170, 4066887, 5422516, 6778145, 7394340, 8133774, 13556290, 16267548, 20334435, 27112580, 40668870, 81337740]

約数ペア:

[(1, 81337740), (2, 40668870), (3, 27112580), (4, 20334435), (5, 16267548), (6, 13556290), (10, 8133774), (11, 7394340), (12, 6778145), (15, 5422516), (20, 4066887), (22, 3697170), (30, 2711258), (33, 2464780), (44, 1848585), (55, 1478868), (60, 1355629), (66, 1232390), (110, 739434), (132, 616195), (165, 492956), (220, 369717), (330, 246478), (660, 123239)]