68426960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1812

約数の個数: 80

約数和(自身を含む): 184488192

約数和(自身を除く): 116061232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1721, 1988, 2485, 2840, 3442, 3976, 4970, 5680, 6884, 7952, 8605, 9940, 12047, 13768, 17210, 19880, 24094, 27536, 34420, 39760, 48188, 60235, 68840, 96376, 120470, 122191, 137680, 192752, 240940, 244382, 481880, 488764, 610955, 855337, 963760, 977528, 1221910, 1710674, 1955056, 2443820, 3421348, 4276685, 4887640, 6842696, 8553370, 9775280, 13685392, 17106740, 34213480, 68426960]

約数ペア:

[(1, 68426960), (2, 34213480), (4, 17106740), (5, 13685392), (7, 9775280), (8, 8553370), (10, 6842696), (14, 4887640), (16, 4276685), (20, 3421348), (28, 2443820), (35, 1955056), (40, 1710674), (56, 1221910), (70, 977528), (71, 963760), (80, 855337), (112, 610955), (140, 488764), (142, 481880), (280, 244382), (284, 240940), (355, 192752), (497, 137680), (560, 122191), (568, 120470), (710, 96376), (994, 68840), (1136, 60235), (1420, 48188), (1721, 39760), (1988, 34420), (2485, 27536), (2840, 24094), (3442, 19880), (3976, 17210), (4970, 13768), (5680, 12047), (6884, 9940), (7952, 8605)]