72160000

素因数分解:

$2^8\times 5^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 201141864

約数和(自身を除く): 128981864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 64, 80, 82, 88, 100, 110, 125, 128, 160, 164, 176, 200, 205, 220, 250, 256, 275, 320, 328, 352, 400, 410, 440, 451, 500, 550, 625, 640, 656, 704, 800, 820, 880, 902, 1000, 1025, 1100, 1250, 1280, 1312, 1375, 1408, 1600, 1640, 1760, 1804, 2000, 2050, 2200, 2255, 2500, 2624, 2750, 2816, 3200, 3280, 3520, 3608, 4000, 4100, 4400, 4510, 5000, 5125, 5248, 5500, 6400, 6560, 6875, 7040, 7216, 8000, 8200, 8800, 9020, 10000, 10250, 10496, 11000, 11275, 13120, 13750, 14080, 14432, 16000, 16400, 17600, 18040, 20000, 20500, 22000, 22550, 25625, 26240, 27500, 28864, 32000, 32800, 35200, 36080, 40000, 41000, 44000, 45100, 51250, 52480, 55000, 56375, 57728, 65600, 70400, 72160, 80000, 82000, 88000, 90200, 102500, 110000, 112750, 115456, 131200, 144320, 160000, 164000, 176000, 180400, 205000, 220000, 225500, 262400, 281875, 288640, 328000, 352000, 360800, 410000, 440000, 451000, 563750, 577280, 656000, 721600, 820000, 880000, 902000, 1127500, 1312000, 1443200, 1640000, 1760000, 1804000, 2255000, 2886400, 3280000, 3608000, 4510000, 6560000, 7216000, 9020000, 14432000, 18040000, 36080000, 72160000]

約数ペア:

[(1, 72160000), (2, 36080000), (4, 18040000), (5, 14432000), (8, 9020000), (10, 7216000), (11, 6560000), (16, 4510000), (20, 3608000), (22, 3280000), (25, 2886400), (32, 2255000), (40, 1804000), (41, 1760000), (44, 1640000), (50, 1443200), (55, 1312000), (64, 1127500), (80, 902000), (82, 880000), (88, 820000), (100, 721600), (110, 656000), (125, 577280), (128, 563750), (160, 451000), (164, 440000), (176, 410000), (200, 360800), (205, 352000), (220, 328000), (250, 288640), (256, 281875), (275, 262400), (320, 225500), (328, 220000), (352, 205000), (400, 180400), (410, 176000), (440, 164000), (451, 160000), (500, 144320), (550, 131200), (625, 115456), (640, 112750), (656, 110000), (704, 102500), (800, 90200), (820, 88000), (880, 82000), (902, 80000), (1000, 72160), (1025, 70400), (1100, 65600), (1250, 57728), (1280, 56375), (1312, 55000), (1375, 52480), (1408, 51250), (1600, 45100), (1640, 44000), (1760, 41000), (1804, 40000), (2000, 36080), (2050, 35200), (2200, 32800), (2255, 32000), (2500, 28864), (2624, 27500), (2750, 26240), (2816, 25625), (3200, 22550), (3280, 22000), (3520, 20500), (3608, 20000), (4000, 18040), (4100, 17600), (4400, 16400), (4510, 16000), (5000, 14432), (5125, 14080), (5248, 13750), (5500, 13120), (6400, 11275), (6560, 11000), (6875, 10496), (7040, 10250), (7216, 10000), (8000, 9020), (8200, 8800)]