1320767560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{9491}}^1$

素因数の和:9587

約数の個数: 96

約数和(自身を含む): 3505965120

約数和(自身を除く): 2185197560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 710, 980, 994, 1420, 1960, 1988, 2485, 2840, 3479, 3976, 4970, 6958, 9491, 9940, 13916, 17395, 18982, 19880, 27832, 34790, 37964, 47455, 66437, 69580, 75928, 94910, 132874, 139160, 189820, 265748, 332185, 379640, 465059, 531496, 664370, 673861, 930118, 1328740, 1347722, 1860236, 2325295, 2657480, 2695444, 3369305, 3720472, 4650590, 4717027, 5390888, 6738610, 9301180, 9434054, 13477220, 18602360, 18868108, 23585135, 26954440, 33019189, 37736216, 47170270, 66038378, 94340540, 132076756, 165095945, 188681080, 264153512, 330191890, 660383780, 1320767560]

約数ペア:

[(1, 1320767560), (2, 660383780), (4, 330191890), (5, 264153512), (7, 188681080), (8, 165095945), (10, 132076756), (14, 94340540), (20, 66038378), (28, 47170270), (35, 37736216), (40, 33019189), (49, 26954440), (56, 23585135), (70, 18868108), (71, 18602360), (98, 13477220), (140, 9434054), (142, 9301180), (196, 6738610), (245, 5390888), (280, 4717027), (284, 4650590), (355, 3720472), (392, 3369305), (490, 2695444), (497, 2657480), (568, 2325295), (710, 1860236), (980, 1347722), (994, 1328740), (1420, 930118), (1960, 673861), (1988, 664370), (2485, 531496), (2840, 465059), (3479, 379640), (3976, 332185), (4970, 265748), (6958, 189820), (9491, 139160), (9940, 132874), (13916, 94910), (17395, 75928), (18982, 69580), (19880, 66437), (27832, 47455), (34790, 37964)]