261032240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11369}}^1$

素因数の和:11430

約数の個数: 80

約数和(自身を含む): 710579520

約数和(自身を除く): 449547280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11369, 11480, 22738, 22960, 45476, 56845, 79583, 90952, 113690, 159166, 181904, 227380, 318332, 397915, 454760, 466129, 636664, 795830, 909520, 932258, 1273328, 1591660, 1864516, 2330645, 3183320, 3262903, 3729032, 4661290, 6366640, 6525806, 7458064, 9322580, 13051612, 16314515, 18645160, 26103224, 32629030, 37290320, 52206448, 65258060, 130516120, 261032240]

約数ペア:

[(1, 261032240), (2, 130516120), (4, 65258060), (5, 52206448), (7, 37290320), (8, 32629030), (10, 26103224), (14, 18645160), (16, 16314515), (20, 13051612), (28, 9322580), (35, 7458064), (40, 6525806), (41, 6366640), (56, 4661290), (70, 3729032), (80, 3262903), (82, 3183320), (112, 2330645), (140, 1864516), (164, 1591660), (205, 1273328), (280, 932258), (287, 909520), (328, 795830), (410, 636664), (560, 466129), (574, 454760), (656, 397915), (820, 318332), (1148, 227380), (1435, 181904), (1640, 159166), (2296, 113690), (2870, 90952), (3280, 79583), (4592, 56845), (5740, 45476), (11369, 22960), (11480, 22738)]