81179120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3181}}^1$

素因数の和:3234

約数の個数: 80

約数和(自身を含む): 213066720

約数和(自身を除く): 131887600

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, 3181, 3190, 5104, 6362, 6380, 12724, 12760, 15905, 25448, 25520, 31810, 34991, 50896, 63620, 69982, 92249, 127240, 139964, 174955, 184498, 254480, 279928, 349910, 368996, 461245, 559856, 699820, 737992, 922490, 1014739, 1399640, 1475984, 1844980, 2029478, 2799280, 3689960, 4058956, 5073695, 7379920, 8117912, 10147390, 16235824, 20294780, 40589560, 81179120]

約数ペア:

[(1, 81179120), (2, 40589560), (4, 20294780), (5, 16235824), (8, 10147390), (10, 8117912), (11, 7379920), (16, 5073695), (20, 4058956), (22, 3689960), (29, 2799280), (40, 2029478), (44, 1844980), (55, 1475984), (58, 1399640), (80, 1014739), (88, 922490), (110, 737992), (116, 699820), (145, 559856), (176, 461245), (220, 368996), (232, 349910), (290, 279928), (319, 254480), (440, 184498), (464, 174955), (580, 139964), (638, 127240), (880, 92249), (1160, 69982), (1276, 63620), (1595, 50896), (2320, 34991), (2552, 31810), (3181, 25520), (3190, 25448), (5104, 15905), (6362, 12760), (6380, 12724)]