80672880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2141}}^1$

素因数の和:2314

約数の個数: 80

約数和(自身を含む): 251796384

約数和(自身を除く): 171123504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2141, 2355, 2512, 3140, 3768, 4282, 4710, 6280, 6423, 7536, 8564, 9420, 10705, 12560, 12846, 17128, 18840, 21410, 25692, 32115, 34256, 37680, 42820, 51384, 64230, 85640, 102768, 128460, 171280, 256920, 336137, 513840, 672274, 1008411, 1344548, 1680685, 2016822, 2689096, 3361370, 4033644, 5042055, 5378192, 6722740, 8067288, 10084110, 13445480, 16134576, 20168220, 26890960, 40336440, 80672880]

約数ペア:

[(1, 80672880), (2, 40336440), (3, 26890960), (4, 20168220), (5, 16134576), (6, 13445480), (8, 10084110), (10, 8067288), (12, 6722740), (15, 5378192), (16, 5042055), (20, 4033644), (24, 3361370), (30, 2689096), (40, 2016822), (48, 1680685), (60, 1344548), (80, 1008411), (120, 672274), (157, 513840), (240, 336137), (314, 256920), (471, 171280), (628, 128460), (785, 102768), (942, 85640), (1256, 64230), (1570, 51384), (1884, 42820), (2141, 37680), (2355, 34256), (2512, 32115), (3140, 25692), (3768, 21410), (4282, 18840), (4710, 17128), (6280, 12846), (6423, 12560), (7536, 10705), (8564, 9420)]