72400240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2890

約数の個数: 80

約数和(自身を含む): 190032480

約数和(自身を除く): 117632240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2837, 3190, 5104, 5674, 6380, 11348, 12760, 14185, 22696, 25520, 28370, 31207, 45392, 56740, 62414, 82273, 113480, 124828, 156035, 164546, 226960, 249656, 312070, 329092, 411365, 499312, 624140, 658184, 822730, 905003, 1248280, 1316368, 1645460, 1810006, 2496560, 3290920, 3620012, 4525015, 6581840, 7240024, 9050030, 14480048, 18100060, 36200120, 72400240]

約数ペア:

[(1, 72400240), (2, 36200120), (4, 18100060), (5, 14480048), (8, 9050030), (10, 7240024), (11, 6581840), (16, 4525015), (20, 3620012), (22, 3290920), (29, 2496560), (40, 1810006), (44, 1645460), (55, 1316368), (58, 1248280), (80, 905003), (88, 822730), (110, 658184), (116, 624140), (145, 499312), (176, 411365), (220, 329092), (232, 312070), (290, 249656), (319, 226960), (440, 164546), (464, 156035), (580, 124828), (638, 113480), (880, 82273), (1160, 62414), (1276, 56740), (1595, 45392), (2320, 31207), (2552, 28370), (2837, 25520), (3190, 22696), (5104, 14185), (5674, 12760), (6380, 11348)]