520103320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{7529}}^1$

素因数の和:7708

約数の個数: 64

約数和(自身を含む): 1284919200

約数和(自身を除く): 764815880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 3140, 3454, 6280, 6908, 7529, 8635, 13816, 15058, 17270, 30116, 34540, 37645, 60232, 69080, 75290, 82819, 150580, 165638, 301160, 331276, 414095, 662552, 828190, 1182053, 1656380, 2364106, 3312760, 4728212, 5910265, 9456424, 11820530, 13002583, 23641060, 26005166, 47282120, 52010332, 65012915, 104020664, 130025830, 260051660, 520103320]

約数ペア:

[(1, 520103320), (2, 260051660), (4, 130025830), (5, 104020664), (8, 65012915), (10, 52010332), (11, 47282120), (20, 26005166), (22, 23641060), (40, 13002583), (44, 11820530), (55, 9456424), (88, 5910265), (110, 4728212), (157, 3312760), (220, 2364106), (314, 1656380), (440, 1182053), (628, 828190), (785, 662552), (1256, 414095), (1570, 331276), (1727, 301160), (3140, 165638), (3454, 150580), (6280, 82819), (6908, 75290), (7529, 69080), (8635, 60232), (13816, 37645), (15058, 34540), (17270, 30116)]