320744160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20249}}^1$

素因数の和:20281

約数の個数: 144

約数和(自身を含む): 1194102000

約数和(自身を除く): 873357840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 20249, 40498, 60747, 80996, 101245, 121494, 161992, 182241, 202490, 222739, 242988, 303735, 323984, 364482, 404980, 445478, 485976, 607470, 647968, 668217, 728964, 809960, 890956, 911205, 971952, 1113695, 1214940, 1336434, 1457928, 1619920, 1781912, 1822410, 1943904, 2004651, 2227390, 2429880, 2672868, 2915856, 3239840, 3341085, 3563824, 3644820, 4009302, 4454780, 4859760, 5345736, 5831712, 6682170, 7127648, 7289640, 8018604, 8909560, 9719520, 10023255, 10691472, 13364340, 14579280, 16037208, 17819120, 20046510, 21382944, 26728680, 29158560, 32074416, 35638240, 40093020, 53457360, 64148832, 80186040, 106914720, 160372080, 320744160]

約数ペア:

[(1, 320744160), (2, 160372080), (3, 106914720), (4, 80186040), (5, 64148832), (6, 53457360), (8, 40093020), (9, 35638240), (10, 32074416), (11, 29158560), (12, 26728680), (15, 21382944), (16, 20046510), (18, 17819120), (20, 16037208), (22, 14579280), (24, 13364340), (30, 10691472), (32, 10023255), (33, 9719520), (36, 8909560), (40, 8018604), (44, 7289640), (45, 7127648), (48, 6682170), (55, 5831712), (60, 5345736), (66, 4859760), (72, 4454780), (80, 4009302), (88, 3644820), (90, 3563824), (96, 3341085), (99, 3239840), (110, 2915856), (120, 2672868), (132, 2429880), (144, 2227390), (160, 2004651), (165, 1943904), (176, 1822410), (180, 1781912), (198, 1619920), (220, 1457928), (240, 1336434), (264, 1214940), (288, 1113695), (330, 971952), (352, 911205), (360, 890956), (396, 809960), (440, 728964), (480, 668217), (495, 647968), (528, 607470), (660, 485976), (720, 445478), (792, 404980), (880, 364482), (990, 323984), (1056, 303735), (1320, 242988), (1440, 222739), (1584, 202490), (1760, 182241), (1980, 161992), (2640, 121494), (3168, 101245), (3960, 80996), (5280, 60747), (7920, 40498), (15840, 20249)]