20720935680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174067}}^1$

素因数の和:174122

約数の個数: 144

約数和(自身を含む): 68312638464

約数和(自身を除く): 47591702784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 14880, 19840, 23808, 29760, 39680, 59520, 119040, 174067, 348134, 522201, 696268, 870335, 1044402, 1392536, 1740670, 2088804, 2611005, 2785072, 3481340, 4177608, 5222010, 5396077, 5570144, 6962680, 8355216, 10444020, 10792154, 11140288, 13925360, 16188231, 16710432, 20888040, 21584308, 22280576, 26980385, 27850720, 32376462, 33420864, 41776080, 43168616, 44561152, 53960770, 55701440, 64752924, 66841728, 80941155, 83552160, 86337232, 107921540, 111402880, 129505848, 133683456, 161882310, 167104320, 172674464, 215843080, 222805760, 259011696, 323764620, 334208640, 345348928, 431686160, 518023392, 647529240, 668417280, 690697856, 863372320, 1036046784, 1295058480, 1381395712, 1726744640, 2072093568, 2590116960, 3453489280, 4144187136, 5180233920, 6906978560, 10360467840, 20720935680]

約数ペア:

[(1, 20720935680), (2, 10360467840), (3, 6906978560), (4, 5180233920), (5, 4144187136), (6, 3453489280), (8, 2590116960), (10, 2072093568), (12, 1726744640), (15, 1381395712), (16, 1295058480), (20, 1036046784), (24, 863372320), (30, 690697856), (31, 668417280), (32, 647529240), (40, 518023392), (48, 431686160), (60, 345348928), (62, 334208640), (64, 323764620), (80, 259011696), (93, 222805760), (96, 215843080), (120, 172674464), (124, 167104320), (128, 161882310), (155, 133683456), (160, 129505848), (186, 111402880), (192, 107921540), (240, 86337232), (248, 83552160), (256, 80941155), (310, 66841728), (320, 64752924), (372, 55701440), (384, 53960770), (465, 44561152), (480, 43168616), (496, 41776080), (620, 33420864), (640, 32376462), (744, 27850720), (768, 26980385), (930, 22280576), (960, 21584308), (992, 20888040), (1240, 16710432), (1280, 16188231), (1488, 13925360), (1860, 11140288), (1920, 10792154), (1984, 10444020), (2480, 8355216), (2976, 6962680), (3720, 5570144), (3840, 5396077), (3968, 5222010), (4960, 4177608), (5952, 3481340), (7440, 2785072), (7936, 2611005), (9920, 2088804), (11904, 1740670), (14880, 1392536), (19840, 1044402), (23808, 870335), (29760, 696268), (39680, 522201), (59520, 348134), (119040, 174067)]