204084120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 628689600

約数和(自身を除く): 424605480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 97, 120, 178, 194, 197, 267, 291, 356, 388, 394, 445, 485, 534, 582, 591, 712, 776, 788, 890, 970, 985, 1068, 1164, 1182, 1335, 1455, 1576, 1780, 1940, 1970, 2136, 2328, 2364, 2670, 2910, 2955, 3560, 3880, 3940, 4728, 5340, 5820, 5910, 7880, 8633, 10680, 11640, 11820, 17266, 17533, 19109, 23640, 25899, 34532, 35066, 38218, 43165, 51798, 52599, 57327, 69064, 70132, 76436, 86330, 87665, 95545, 103596, 105198, 114654, 129495, 140264, 152872, 172660, 175330, 191090, 207192, 210396, 229308, 258990, 262995, 286635, 345320, 350660, 382180, 420792, 458616, 517980, 525990, 573270, 701320, 764360, 1035960, 1051980, 1146540, 1700701, 2103960, 2293080, 3401402, 5102103, 6802804, 8503505, 10204206, 13605608, 17007010, 20408412, 25510515, 34014020, 40816824, 51021030, 68028040, 102042060, 204084120]

約数ペア:

[(1, 204084120), (2, 102042060), (3, 68028040), (4, 51021030), (5, 40816824), (6, 34014020), (8, 25510515), (10, 20408412), (12, 17007010), (15, 13605608), (20, 10204206), (24, 8503505), (30, 6802804), (40, 5102103), (60, 3401402), (89, 2293080), (97, 2103960), (120, 1700701), (178, 1146540), (194, 1051980), (197, 1035960), (267, 764360), (291, 701320), (356, 573270), (388, 525990), (394, 517980), (445, 458616), (485, 420792), (534, 382180), (582, 350660), (591, 345320), (712, 286635), (776, 262995), (788, 258990), (890, 229308), (970, 210396), (985, 207192), (1068, 191090), (1164, 175330), (1182, 172660), (1335, 152872), (1455, 140264), (1576, 129495), (1780, 114654), (1940, 105198), (1970, 103596), (2136, 95545), (2328, 87665), (2364, 86330), (2670, 76436), (2910, 70132), (2955, 69064), (3560, 57327), (3880, 52599), (3940, 51798), (4728, 43165), (5340, 38218), (5820, 35066), (5910, 34532), (7880, 25899), (8633, 23640), (10680, 19109), (11640, 17533), (11820, 17266)]