66497220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123143}}^1$

素因数の和:123161

約数の個数: 48

約数和(自身を含む): 206881920

約数和(自身を除く): 140384700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123143, 246286, 369429, 492572, 615715, 738858, 1108287, 1231430, 1477716, 1847145, 2216574, 2462860, 3324861, 3694290, 4433148, 5541435, 6649722, 7388580, 11082870, 13299444, 16624305, 22165740, 33248610, 66497220]

約数ペア:

[(1, 66497220), (2, 33248610), (3, 22165740), (4, 16624305), (5, 13299444), (6, 11082870), (9, 7388580), (10, 6649722), (12, 5541435), (15, 4433148), (18, 3694290), (20, 3324861), (27, 2462860), (30, 2216574), (36, 1847145), (45, 1477716), (54, 1231430), (60, 1108287), (90, 738858), (108, 615715), (135, 492572), (180, 369429), (270, 246286), (540, 123143)]