131258280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6967}}^1$

素因数の和:7138

約数の個数: 64

約数和(自身を含む): 396339840

約数和(自身を除く): 265081560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 6967, 9420, 13934, 18840, 20901, 27868, 34835, 41802, 55736, 69670, 83604, 104505, 139340, 167208, 209010, 278680, 418020, 836040, 1093819, 2187638, 3281457, 4375276, 5469095, 6562914, 8750552, 10938190, 13125828, 16407285, 21876380, 26251656, 32814570, 43752760, 65629140, 131258280]

約数ペア:

[(1, 131258280), (2, 65629140), (3, 43752760), (4, 32814570), (5, 26251656), (6, 21876380), (8, 16407285), (10, 13125828), (12, 10938190), (15, 8750552), (20, 6562914), (24, 5469095), (30, 4375276), (40, 3281457), (60, 2187638), (120, 1093819), (157, 836040), (314, 418020), (471, 278680), (628, 209010), (785, 167208), (942, 139340), (1256, 104505), (1570, 83604), (1884, 69670), (2355, 55736), (3140, 41802), (3768, 34835), (4710, 27868), (6280, 20901), (6967, 18840), (9420, 13934)]