9927280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 26114400

約数和(自身を除く): 16187120

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, 389, 440, 464, 580, 638, 778, 880, 1160, 1276, 1556, 1595, 1945, 2320, 2552, 3112, 3190, 3890, 4279, 5104, 6224, 6380, 7780, 8558, 11281, 12760, 15560, 17116, 21395, 22562, 25520, 31120, 34232, 42790, 45124, 56405, 68464, 85580, 90248, 112810, 124091, 171160, 180496, 225620, 248182, 342320, 451240, 496364, 620455, 902480, 992728, 1240910, 1985456, 2481820, 4963640, 9927280]

約数ペア:

[(1, 9927280), (2, 4963640), (4, 2481820), (5, 1985456), (8, 1240910), (10, 992728), (11, 902480), (16, 620455), (20, 496364), (22, 451240), (29, 342320), (40, 248182), (44, 225620), (55, 180496), (58, 171160), (80, 124091), (88, 112810), (110, 90248), (116, 85580), (145, 68464), (176, 56405), (220, 45124), (232, 42790), (290, 34232), (319, 31120), (389, 25520), (440, 22562), (464, 21395), (580, 17116), (638, 15560), (778, 12760), (880, 11281), (1160, 8558), (1276, 7780), (1556, 6380), (1595, 6224), (1945, 5104), (2320, 4279), (2552, 3890), (3112, 3190)]