28813120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 112

約数和(自身を含む): 82661760

約数和(自身を除く): 53848640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 677, 760, 1064, 1120, 1216, 1330, 1354, 1520, 2128, 2240, 2660, 2708, 3040, 3385, 4256, 4739, 5320, 5416, 6080, 6770, 8512, 9478, 10640, 10832, 12863, 13540, 18956, 21280, 21664, 23695, 25726, 27080, 37912, 42560, 43328, 47390, 51452, 54160, 64315, 75824, 90041, 94780, 102904, 108320, 128630, 151648, 180082, 189560, 205808, 216640, 257260, 303296, 360164, 379120, 411616, 450205, 514520, 720328, 758240, 823232, 900410, 1029040, 1440656, 1516480, 1800820, 2058080, 2881312, 3601640, 4116160, 5762624, 7203280, 14406560, 28813120]

約数ペア:

[(1, 28813120), (2, 14406560), (4, 7203280), (5, 5762624), (7, 4116160), (8, 3601640), (10, 2881312), (14, 2058080), (16, 1800820), (19, 1516480), (20, 1440656), (28, 1029040), (32, 900410), (35, 823232), (38, 758240), (40, 720328), (56, 514520), (64, 450205), (70, 411616), (76, 379120), (80, 360164), (95, 303296), (112, 257260), (133, 216640), (140, 205808), (152, 189560), (160, 180082), (190, 151648), (224, 128630), (266, 108320), (280, 102904), (304, 94780), (320, 90041), (380, 75824), (448, 64315), (532, 54160), (560, 51452), (608, 47390), (665, 43328), (677, 42560), (760, 37912), (1064, 27080), (1120, 25726), (1216, 23695), (1330, 21664), (1354, 21280), (1520, 18956), (2128, 13540), (2240, 12863), (2660, 10832), (2708, 10640), (3040, 9478), (3385, 8512), (4256, 6770), (4739, 6080), (5320, 5416)]