131015320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 303367680

約数和(自身を除く): 172352360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 227, 235, 307, 376, 454, 470, 614, 908, 940, 1135, 1228, 1535, 1816, 1880, 2270, 2456, 3070, 4540, 6140, 9080, 10669, 12280, 14429, 21338, 28858, 42676, 53345, 57716, 69689, 72145, 85352, 106690, 115432, 139378, 144290, 213380, 278756, 288580, 348445, 426760, 557512, 577160, 696890, 1393780, 2787560, 3275383, 6550766, 13101532, 16376915, 26203064, 32753830, 65507660, 131015320]

約数ペア:

[(1, 131015320), (2, 65507660), (4, 32753830), (5, 26203064), (8, 16376915), (10, 13101532), (20, 6550766), (40, 3275383), (47, 2787560), (94, 1393780), (188, 696890), (227, 577160), (235, 557512), (307, 426760), (376, 348445), (454, 288580), (470, 278756), (614, 213380), (908, 144290), (940, 139378), (1135, 115432), (1228, 106690), (1535, 85352), (1816, 72145), (1880, 69689), (2270, 57716), (2456, 53345), (3070, 42676), (4540, 28858), (6140, 21338), (9080, 14429), (10669, 12280)]