68511720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 218880000

約数和(自身を除く): 150368280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 151, 152, 190, 199, 228, 285, 302, 380, 398, 453, 456, 570, 597, 604, 755, 760, 796, 906, 995, 1140, 1194, 1208, 1510, 1592, 1812, 1990, 2265, 2280, 2388, 2869, 2985, 3020, 3624, 3781, 3980, 4530, 4776, 5738, 5970, 6040, 7562, 7960, 8607, 9060, 11343, 11476, 11940, 14345, 15124, 17214, 18120, 18905, 22686, 22952, 23880, 28690, 30049, 30248, 34428, 37810, 43035, 45372, 56715, 57380, 60098, 68856, 75620, 86070, 90147, 90744, 113430, 114760, 120196, 150245, 151240, 172140, 180294, 226860, 240392, 300490, 344280, 360588, 450735, 453720, 570931, 600980, 721176, 901470, 1141862, 1201960, 1712793, 1802940, 2283724, 2854655, 3425586, 3605880, 4567448, 5709310, 6851172, 8563965, 11418620, 13702344, 17127930, 22837240, 34255860, 68511720]

約数ペア:

[(1, 68511720), (2, 34255860), (3, 22837240), (4, 17127930), (5, 13702344), (6, 11418620), (8, 8563965), (10, 6851172), (12, 5709310), (15, 4567448), (19, 3605880), (20, 3425586), (24, 2854655), (30, 2283724), (38, 1802940), (40, 1712793), (57, 1201960), (60, 1141862), (76, 901470), (95, 721176), (114, 600980), (120, 570931), (151, 453720), (152, 450735), (190, 360588), (199, 344280), (228, 300490), (285, 240392), (302, 226860), (380, 180294), (398, 172140), (453, 151240), (456, 150245), (570, 120196), (597, 114760), (604, 113430), (755, 90744), (760, 90147), (796, 86070), (906, 75620), (995, 68856), (1140, 60098), (1194, 57380), (1208, 56715), (1510, 45372), (1592, 43035), (1812, 37810), (1990, 34428), (2265, 30248), (2280, 30049), (2388, 28690), (2869, 23880), (2985, 22952), (3020, 22686), (3624, 18905), (3781, 18120), (3980, 17214), (4530, 15124), (4776, 14345), (5738, 11940), (5970, 11476), (6040, 11343), (7562, 9060), (7960, 8607)]