81445080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6997}}^1$

素因数の和:7108

約数の個数: 64

約数和(自身を含む): 246889440

約数和(自身を除く): 165444360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6997, 11640, 13994, 20991, 27988, 34985, 41982, 55976, 69970, 83964, 104955, 139940, 167928, 209910, 279880, 419820, 678709, 839640, 1357418, 2036127, 2714836, 3393545, 4072254, 5429672, 6787090, 8144508, 10180635, 13574180, 16289016, 20361270, 27148360, 40722540, 81445080]

約数ペア:

[(1, 81445080), (2, 40722540), (3, 27148360), (4, 20361270), (5, 16289016), (6, 13574180), (8, 10180635), (10, 8144508), (12, 6787090), (15, 5429672), (20, 4072254), (24, 3393545), (30, 2714836), (40, 2036127), (60, 1357418), (97, 839640), (120, 678709), (194, 419820), (291, 279880), (388, 209910), (485, 167928), (582, 139940), (776, 104955), (970, 83964), (1164, 69970), (1455, 55976), (1940, 41982), (2328, 34985), (2910, 27988), (3880, 20991), (5820, 13994), (6997, 11640)]