68879720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 193536000

約数和(自身を除く): 124656280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 127, 130, 140, 149, 182, 254, 260, 280, 298, 364, 455, 508, 520, 596, 635, 728, 745, 889, 910, 1016, 1043, 1192, 1270, 1490, 1651, 1778, 1820, 1937, 2086, 2540, 2980, 3302, 3556, 3640, 3874, 4172, 4445, 5080, 5215, 5960, 6604, 7112, 7748, 8255, 8344, 8890, 9685, 10430, 11557, 13208, 13559, 15496, 16510, 17780, 18923, 19370, 20860, 23114, 27118, 33020, 35560, 37846, 38740, 41720, 46228, 54236, 57785, 66040, 67795, 75692, 77480, 92456, 94615, 108472, 115570, 132461, 135590, 151384, 189230, 231140, 245999, 264922, 271180, 378460, 462280, 491998, 529844, 542360, 662305, 756920, 983996, 1059688, 1229995, 1324610, 1721993, 1967992, 2459990, 2649220, 3443986, 4919980, 5298440, 6887972, 8609965, 9839960, 13775944, 17219930, 34439860, 68879720]

約数ペア:

[(1, 68879720), (2, 34439860), (4, 17219930), (5, 13775944), (7, 9839960), (8, 8609965), (10, 6887972), (13, 5298440), (14, 4919980), (20, 3443986), (26, 2649220), (28, 2459990), (35, 1967992), (40, 1721993), (52, 1324610), (56, 1229995), (65, 1059688), (70, 983996), (91, 756920), (104, 662305), (127, 542360), (130, 529844), (140, 491998), (149, 462280), (182, 378460), (254, 271180), (260, 264922), (280, 245999), (298, 231140), (364, 189230), (455, 151384), (508, 135590), (520, 132461), (596, 115570), (635, 108472), (728, 94615), (745, 92456), (889, 77480), (910, 75692), (1016, 67795), (1043, 66040), (1192, 57785), (1270, 54236), (1490, 46228), (1651, 41720), (1778, 38740), (1820, 37846), (1937, 35560), (2086, 33020), (2540, 27118), (2980, 23114), (3302, 20860), (3556, 19370), (3640, 18923), (3874, 17780), (4172, 16510), (4445, 15496), (5080, 13559), (5215, 13208), (5960, 11557), (6604, 10430), (7112, 9685), (7748, 8890), (8255, 8344)]