256617120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12433}}^1$

素因数の和:12494

約数の個数: 96

約数和(自身を含む): 827209152

約数和(自身を除く): 570592032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 12433, 20640, 24866, 37299, 49732, 62165, 74598, 99464, 124330, 149196, 186495, 198928, 248660, 298392, 372990, 397856, 497320, 534619, 596784, 745980, 994640, 1069238, 1193568, 1491960, 1603857, 1989280, 2138476, 2673095, 2983920, 3207714, 4276952, 5346190, 5967840, 6415428, 8019285, 8553904, 10692380, 12830856, 16038570, 17107808, 21384760, 25661712, 32077140, 42769520, 51323424, 64154280, 85539040, 128308560, 256617120]

約数ペア:

[(1, 256617120), (2, 128308560), (3, 85539040), (4, 64154280), (5, 51323424), (6, 42769520), (8, 32077140), (10, 25661712), (12, 21384760), (15, 17107808), (16, 16038570), (20, 12830856), (24, 10692380), (30, 8553904), (32, 8019285), (40, 6415428), (43, 5967840), (48, 5346190), (60, 4276952), (80, 3207714), (86, 2983920), (96, 2673095), (120, 2138476), (129, 1989280), (160, 1603857), (172, 1491960), (215, 1193568), (240, 1069238), (258, 994640), (344, 745980), (430, 596784), (480, 534619), (516, 497320), (645, 397856), (688, 372990), (860, 298392), (1032, 248660), (1290, 198928), (1376, 186495), (1720, 149196), (2064, 124330), (2580, 99464), (3440, 74598), (4128, 62165), (5160, 49732), (6880, 37299), (10320, 24866), (12433, 20640)]