1313862160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{66491}}^1$

素因数の和:66536

約数の個数: 80

約数和(自身を含む): 3462903360

約数和(自身を除く): 2149041200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 66491, 132982, 265964, 332455, 531928, 664910, 864383, 1063856, 1263329, 1329820, 1728766, 2526658, 2659640, 3457532, 4321915, 5053316, 5319280, 6316645, 6915064, 8643830, 10106632, 12633290, 13830128, 16423277, 17287660, 20213264, 25266580, 32846554, 34575320, 50533160, 65693108, 69150640, 82116385, 101066320, 131386216, 164232770, 262772432, 328465540, 656931080, 1313862160]

約数ペア:

[(1, 1313862160), (2, 656931080), (4, 328465540), (5, 262772432), (8, 164232770), (10, 131386216), (13, 101066320), (16, 82116385), (19, 69150640), (20, 65693108), (26, 50533160), (38, 34575320), (40, 32846554), (52, 25266580), (65, 20213264), (76, 17287660), (80, 16423277), (95, 13830128), (104, 12633290), (130, 10106632), (152, 8643830), (190, 6915064), (208, 6316645), (247, 5319280), (260, 5053316), (304, 4321915), (380, 3457532), (494, 2659640), (520, 2526658), (760, 1728766), (988, 1329820), (1040, 1263329), (1235, 1063856), (1520, 864383), (1976, 664910), (2470, 531928), (3952, 332455), (4940, 265964), (9880, 132982), (19760, 66491)]