51484160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 240

約数和(自身を含む): 161748576

約数和(自身を除く): 110264416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 128, 130, 136, 140, 160, 169, 170, 182, 208, 221, 224, 238, 256, 260, 272, 280, 320, 338, 340, 364, 416, 442, 448, 455, 476, 512, 520, 544, 560, 595, 640, 676, 680, 728, 832, 845, 884, 896, 910, 952, 1040, 1088, 1105, 1120, 1183, 1190, 1280, 1352, 1360, 1456, 1547, 1664, 1690, 1768, 1792, 1820, 1904, 2080, 2176, 2210, 2240, 2366, 2380, 2560, 2704, 2720, 2873, 2912, 3094, 3328, 3380, 3536, 3584, 3640, 3808, 4160, 4352, 4420, 4480, 4732, 4760, 5408, 5440, 5746, 5824, 5915, 6188, 6656, 6760, 7072, 7280, 7616, 7735, 8320, 8704, 8840, 8960, 9464, 9520, 10816, 10880, 11492, 11648, 11830, 12376, 13520, 14144, 14365, 14560, 15232, 15470, 16640, 17680, 17920, 18928, 19040, 20111, 21632, 21760, 22984, 23296, 23660, 24752, 27040, 28288, 28730, 29120, 30464, 30940, 33280, 35360, 37856, 38080, 40222, 43264, 43520, 45968, 46592, 47320, 49504, 54080, 56576, 57460, 58240, 60928, 61880, 70720, 75712, 76160, 80444, 86528, 91936, 94640, 99008, 100555, 108160, 113152, 114920, 116480, 123760, 141440, 151424, 152320, 160888, 183872, 189280, 198016, 201110, 216320, 229840, 232960, 247520, 282880, 302848, 304640, 321776, 367744, 378560, 396032, 402220, 432640, 459680, 495040, 565760, 605696, 643552, 735488, 757120, 792064, 804440, 919360, 990080, 1287104, 1470976, 1514240, 1608880, 1838720, 1980160, 2574208, 3028480, 3217760, 3677440, 3960320, 5148416, 6435520, 7354880, 10296832, 12871040, 25742080, 51484160]

約数ペア:

[(1, 51484160), (2, 25742080), (4, 12871040), (5, 10296832), (7, 7354880), (8, 6435520), (10, 5148416), (13, 3960320), (14, 3677440), (16, 3217760), (17, 3028480), (20, 2574208), (26, 1980160), (28, 1838720), (32, 1608880), (34, 1514240), (35, 1470976), (40, 1287104), (52, 990080), (56, 919360), (64, 804440), (65, 792064), (68, 757120), (70, 735488), (80, 643552), (85, 605696), (91, 565760), (104, 495040), (112, 459680), (119, 432640), (128, 402220), (130, 396032), (136, 378560), (140, 367744), (160, 321776), (169, 304640), (170, 302848), (182, 282880), (208, 247520), (221, 232960), (224, 229840), (238, 216320), (256, 201110), (260, 198016), (272, 189280), (280, 183872), (320, 160888), (338, 152320), (340, 151424), (364, 141440), (416, 123760), (442, 116480), (448, 114920), (455, 113152), (476, 108160), (512, 100555), (520, 99008), (544, 94640), (560, 91936), (595, 86528), (640, 80444), (676, 76160), (680, 75712), (728, 70720), (832, 61880), (845, 60928), (884, 58240), (896, 57460), (910, 56576), (952, 54080), (1040, 49504), (1088, 47320), (1105, 46592), (1120, 45968), (1183, 43520), (1190, 43264), (1280, 40222), (1352, 38080), (1360, 37856), (1456, 35360), (1547, 33280), (1664, 30940), (1690, 30464), (1768, 29120), (1792, 28730), (1820, 28288), (1904, 27040), (2080, 24752), (2176, 23660), (2210, 23296), (2240, 22984), (2366, 21760), (2380, 21632), (2560, 20111), (2704, 19040), (2720, 18928), (2873, 17920), (2912, 17680), (3094, 16640), (3328, 15470), (3380, 15232), (3536, 14560), (3584, 14365), (3640, 14144), (3808, 13520), (4160, 12376), (4352, 11830), (4420, 11648), (4480, 11492), (4732, 10880), (4760, 10816), (5408, 9520), (5440, 9464), (5746, 8960), (5824, 8840), (5915, 8704), (6188, 8320), (6656, 7735), (6760, 7616), (7072, 7280)]