7801080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 27578880

約数和(自身を除く): 19777800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 251, 259, 280, 296, 370, 420, 444, 502, 518, 555, 740, 753, 777, 840, 888, 1004, 1036, 1110, 1255, 1295, 1480, 1506, 1554, 1757, 2008, 2072, 2220, 2510, 2590, 3012, 3108, 3514, 3765, 3885, 4440, 5020, 5180, 5271, 6024, 6216, 7028, 7530, 7770, 8785, 9287, 10040, 10360, 10542, 14056, 15060, 15540, 17570, 18574, 21084, 26355, 27861, 30120, 31080, 35140, 37148, 42168, 46435, 52710, 55722, 65009, 70280, 74296, 92870, 105420, 111444, 130018, 139305, 185740, 195027, 210840, 222888, 260036, 278610, 325045, 371480, 390054, 520072, 557220, 650090, 780108, 975135, 1114440, 1300180, 1560216, 1950270, 2600360, 3900540, 7801080]

約数ペア:

[(1, 7801080), (2, 3900540), (3, 2600360), (4, 1950270), (5, 1560216), (6, 1300180), (7, 1114440), (8, 975135), (10, 780108), (12, 650090), (14, 557220), (15, 520072), (20, 390054), (21, 371480), (24, 325045), (28, 278610), (30, 260036), (35, 222888), (37, 210840), (40, 195027), (42, 185740), (56, 139305), (60, 130018), (70, 111444), (74, 105420), (84, 92870), (105, 74296), (111, 70280), (120, 65009), (140, 55722), (148, 52710), (168, 46435), (185, 42168), (210, 37148), (222, 35140), (251, 31080), (259, 30120), (280, 27861), (296, 26355), (370, 21084), (420, 18574), (444, 17570), (502, 15540), (518, 15060), (555, 14056), (740, 10542), (753, 10360), (777, 10040), (840, 9287), (888, 8785), (1004, 7770), (1036, 7530), (1110, 7028), (1255, 6216), (1295, 6024), (1480, 5271), (1506, 5180), (1554, 5020), (1757, 4440), (2008, 3885), (2072, 3765), (2220, 3514), (2510, 3108), (2590, 3012)]