84967120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 229056768

約数和(自身を除く): 144089648

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, 1988, 2137, 2485, 2840, 3976, 4274, 4970, 5680, 7952, 8548, 9940, 10685, 14959, 17096, 19880, 21370, 29918, 34192, 39760, 42740, 59836, 74795, 85480, 119672, 149590, 151727, 170960, 239344, 299180, 303454, 598360, 606908, 758635, 1062089, 1196720, 1213816, 1517270, 2124178, 2427632, 3034540, 4248356, 5310445, 6069080, 8496712, 10620890, 12138160, 16993424, 21241780, 42483560, 84967120]

約数ペア:

[(1, 84967120), (2, 42483560), (4, 21241780), (5, 16993424), (7, 12138160), (8, 10620890), (10, 8496712), (14, 6069080), (16, 5310445), (20, 4248356), (28, 3034540), (35, 2427632), (40, 2124178), (56, 1517270), (70, 1213816), (71, 1196720), (80, 1062089), (112, 758635), (140, 606908), (142, 598360), (280, 303454), (284, 299180), (355, 239344), (497, 170960), (560, 151727), (568, 149590), (710, 119672), (994, 85480), (1136, 74795), (1420, 59836), (1988, 42740), (2137, 39760), (2485, 34192), (2840, 29918), (3976, 21370), (4274, 19880), (4970, 17096), (5680, 14959), (7952, 10685), (8548, 9940)]