13217220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 40559064

約数和(自身を除く): 27341844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 757, 873, 970, 1164, 1455, 1514, 1746, 1940, 2271, 2910, 3028, 3492, 3785, 4365, 4542, 5820, 6813, 7570, 8730, 9084, 11355, 13626, 15140, 17460, 22710, 27252, 34065, 45420, 68130, 73429, 136260, 146858, 220287, 293716, 367145, 440574, 660861, 734290, 881148, 1101435, 1321722, 1468580, 2202870, 2643444, 3304305, 4405740, 6608610, 13217220]

約数ペア:

[(1, 13217220), (2, 6608610), (3, 4405740), (4, 3304305), (5, 2643444), (6, 2202870), (9, 1468580), (10, 1321722), (12, 1101435), (15, 881148), (18, 734290), (20, 660861), (30, 440574), (36, 367145), (45, 293716), (60, 220287), (90, 146858), (97, 136260), (180, 73429), (194, 68130), (291, 45420), (388, 34065), (485, 27252), (582, 22710), (757, 17460), (873, 15140), (970, 13626), (1164, 11355), (1455, 9084), (1514, 8730), (1746, 7570), (1940, 6813), (2271, 5820), (2910, 4542), (3028, 4365), (3492, 3785)]