131020120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 384134400

約数和(自身を除く): 253114280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 59, 70, 77, 88, 98, 103, 110, 118, 140, 154, 196, 206, 220, 236, 245, 280, 295, 308, 385, 392, 412, 413, 440, 472, 490, 515, 539, 590, 616, 649, 721, 770, 824, 826, 980, 1030, 1078, 1133, 1180, 1298, 1442, 1540, 1652, 1960, 2060, 2065, 2156, 2266, 2360, 2596, 2695, 2884, 2891, 3080, 3245, 3304, 3605, 4120, 4130, 4312, 4532, 4543, 5047, 5192, 5390, 5665, 5768, 5782, 6077, 6490, 7210, 7931, 8260, 9064, 9086, 10094, 10780, 11330, 11564, 12154, 12980, 14420, 14455, 15862, 16520, 18172, 20188, 21560, 22660, 22715, 23128, 24308, 25235, 25960, 28840, 28910, 30385, 31724, 31801, 36344, 39655, 40376, 42539, 45320, 45430, 48616, 50470, 55517, 57820, 60770, 63448, 63602, 66847, 79310, 85078, 90860, 100940, 111034, 115640, 121540, 127204, 133694, 158620, 159005, 170156, 181720, 201880, 212695, 222068, 243080, 254408, 267388, 277585, 297773, 317240, 318010, 334235, 340312, 425390, 444136, 467929, 534776, 555170, 595546, 636020, 668470, 850780, 935858, 1110340, 1191092, 1272040, 1336940, 1488865, 1701560, 1871716, 2220680, 2339645, 2382184, 2673880, 2977730, 3275503, 3743432, 4679290, 5955460, 6551006, 9358580, 11910920, 13102012, 16377515, 18717160, 26204024, 32755030, 65510060, 131020120]

約数ペア:

[(1, 131020120), (2, 65510060), (4, 32755030), (5, 26204024), (7, 18717160), (8, 16377515), (10, 13102012), (11, 11910920), (14, 9358580), (20, 6551006), (22, 5955460), (28, 4679290), (35, 3743432), (40, 3275503), (44, 2977730), (49, 2673880), (55, 2382184), (56, 2339645), (59, 2220680), (70, 1871716), (77, 1701560), (88, 1488865), (98, 1336940), (103, 1272040), (110, 1191092), (118, 1110340), (140, 935858), (154, 850780), (196, 668470), (206, 636020), (220, 595546), (236, 555170), (245, 534776), (280, 467929), (295, 444136), (308, 425390), (385, 340312), (392, 334235), (412, 318010), (413, 317240), (440, 297773), (472, 277585), (490, 267388), (515, 254408), (539, 243080), (590, 222068), (616, 212695), (649, 201880), (721, 181720), (770, 170156), (824, 159005), (826, 158620), (980, 133694), (1030, 127204), (1078, 121540), (1133, 115640), (1180, 111034), (1298, 100940), (1442, 90860), (1540, 85078), (1652, 79310), (1960, 66847), (2060, 63602), (2065, 63448), (2156, 60770), (2266, 57820), (2360, 55517), (2596, 50470), (2695, 48616), (2884, 45430), (2891, 45320), (3080, 42539), (3245, 40376), (3304, 39655), (3605, 36344), (4120, 31801), (4130, 31724), (4312, 30385), (4532, 28910), (4543, 28840), (5047, 25960), (5192, 25235), (5390, 24308), (5665, 23128), (5768, 22715), (5782, 22660), (6077, 21560), (6490, 20188), (7210, 18172), (7931, 16520), (8260, 15862), (9064, 14455), (9086, 14420), (10094, 12980), (10780, 12154), (11330, 11564)]