90745600

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 108

約数和(自身を含む): 245218680

約数和(自身を除く): 154473080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 550, 640, 704, 800, 880, 1100, 1280, 1289, 1408, 1600, 1760, 2200, 2578, 2816, 3200, 3520, 4400, 5156, 6400, 6445, 7040, 8800, 10312, 12890, 14080, 14179, 17600, 20624, 25780, 28358, 32225, 35200, 41248, 51560, 56716, 64450, 70400, 70895, 82496, 103120, 113432, 128900, 141790, 164992, 206240, 226864, 257800, 283580, 329984, 354475, 412480, 453728, 515600, 567160, 708950, 824960, 907456, 1031200, 1134320, 1417900, 1649920, 1814912, 2062400, 2268640, 2835800, 3629824, 4124800, 4537280, 5671600, 8249600, 9074560, 11343200, 18149120, 22686400, 45372800, 90745600]

約数ペア:

[(1, 90745600), (2, 45372800), (4, 22686400), (5, 18149120), (8, 11343200), (10, 9074560), (11, 8249600), (16, 5671600), (20, 4537280), (22, 4124800), (25, 3629824), (32, 2835800), (40, 2268640), (44, 2062400), (50, 1814912), (55, 1649920), (64, 1417900), (80, 1134320), (88, 1031200), (100, 907456), (110, 824960), (128, 708950), (160, 567160), (176, 515600), (200, 453728), (220, 412480), (256, 354475), (275, 329984), (320, 283580), (352, 257800), (400, 226864), (440, 206240), (550, 164992), (640, 141790), (704, 128900), (800, 113432), (880, 103120), (1100, 82496), (1280, 70895), (1289, 70400), (1408, 64450), (1600, 56716), (1760, 51560), (2200, 41248), (2578, 35200), (2816, 32225), (3200, 28358), (3520, 25780), (4400, 20624), (5156, 17600), (6400, 14179), (6445, 14080), (7040, 12890), (8800, 10312)]