55720280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 158976000

約数和(自身を除く): 103255720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 229, 280, 308, 316, 385, 395, 440, 458, 553, 616, 632, 770, 790, 869, 916, 1106, 1145, 1540, 1580, 1603, 1738, 1832, 2212, 2290, 2519, 2765, 3080, 3160, 3206, 3476, 4345, 4424, 4580, 5038, 5530, 6083, 6412, 6952, 8015, 8690, 9160, 10076, 11060, 12166, 12595, 12824, 16030, 17380, 17633, 18091, 20152, 22120, 24332, 25190, 30415, 32060, 34760, 35266, 36182, 48664, 50380, 60830, 64120, 70532, 72364, 88165, 90455, 100760, 121660, 126637, 141064, 144728, 176330, 180910, 199001, 243320, 253274, 352660, 361820, 398002, 506548, 633185, 705320, 723640, 796004, 995005, 1013096, 1266370, 1393007, 1592008, 1990010, 2532740, 2786014, 3980020, 5065480, 5572028, 6965035, 7960040, 11144056, 13930070, 27860140, 55720280]

約数ペア:

[(1, 55720280), (2, 27860140), (4, 13930070), (5, 11144056), (7, 7960040), (8, 6965035), (10, 5572028), (11, 5065480), (14, 3980020), (20, 2786014), (22, 2532740), (28, 1990010), (35, 1592008), (40, 1393007), (44, 1266370), (55, 1013096), (56, 995005), (70, 796004), (77, 723640), (79, 705320), (88, 633185), (110, 506548), (140, 398002), (154, 361820), (158, 352660), (220, 253274), (229, 243320), (280, 199001), (308, 180910), (316, 176330), (385, 144728), (395, 141064), (440, 126637), (458, 121660), (553, 100760), (616, 90455), (632, 88165), (770, 72364), (790, 70532), (869, 64120), (916, 60830), (1106, 50380), (1145, 48664), (1540, 36182), (1580, 35266), (1603, 34760), (1738, 32060), (1832, 30415), (2212, 25190), (2290, 24332), (2519, 22120), (2765, 20152), (3080, 18091), (3160, 17633), (3206, 17380), (3476, 16030), (4345, 12824), (4424, 12595), (4580, 12166), (5038, 11060), (5530, 10076), (6083, 9160), (6412, 8690), (6952, 8015)]