258668880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5471}}^1$

素因数の和:5684

約数の個数: 80

約数和(自身を含む): 806091264

約数和(自身を除く): 547422384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3940, 4728, 5471, 5910, 7880, 9456, 10942, 11820, 15760, 16413, 21884, 23640, 27355, 32826, 43768, 47280, 54710, 65652, 82065, 87536, 109420, 131304, 164130, 218840, 262608, 328260, 437680, 656520, 1077787, 1313040, 2155574, 3233361, 4311148, 5388935, 6466722, 8622296, 10777870, 12933444, 16166805, 17244592, 21555740, 25866888, 32333610, 43111480, 51733776, 64667220, 86222960, 129334440, 258668880]

約数ペア:

[(1, 258668880), (2, 129334440), (3, 86222960), (4, 64667220), (5, 51733776), (6, 43111480), (8, 32333610), (10, 25866888), (12, 21555740), (15, 17244592), (16, 16166805), (20, 12933444), (24, 10777870), (30, 8622296), (40, 6466722), (48, 5388935), (60, 4311148), (80, 3233361), (120, 2155574), (197, 1313040), (240, 1077787), (394, 656520), (591, 437680), (788, 328260), (985, 262608), (1182, 218840), (1576, 164130), (1970, 131304), (2364, 109420), (2955, 87536), (3152, 82065), (3940, 65652), (4728, 54710), (5471, 47280), (5910, 43768), (7880, 32826), (9456, 27355), (10942, 23640), (11820, 21884), (15760, 16413)]