68457920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 112

約数和(自身を含む): 172443648

約数和(自身を除く): 103985728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 103, 124, 134, 155, 160, 206, 248, 268, 310, 320, 335, 412, 496, 515, 536, 620, 670, 824, 992, 1030, 1072, 1240, 1340, 1648, 1984, 2060, 2077, 2144, 2480, 2680, 3193, 3296, 4120, 4154, 4288, 4960, 5360, 6386, 6592, 6901, 8240, 8308, 9920, 10385, 10720, 12772, 13802, 15965, 16480, 16616, 20770, 21440, 25544, 27604, 31930, 32960, 33232, 34505, 41540, 51088, 55208, 63860, 66464, 69010, 83080, 102176, 110416, 127720, 132928, 138020, 166160, 204352, 213931, 220832, 255440, 276040, 332320, 427862, 441664, 510880, 552080, 664640, 855724, 1021760, 1069655, 1104160, 1711448, 2139310, 2208320, 3422896, 4278620, 6845792, 8557240, 13691584, 17114480, 34228960, 68457920]

約数ペア:

[(1, 68457920), (2, 34228960), (4, 17114480), (5, 13691584), (8, 8557240), (10, 6845792), (16, 4278620), (20, 3422896), (31, 2208320), (32, 2139310), (40, 1711448), (62, 1104160), (64, 1069655), (67, 1021760), (80, 855724), (103, 664640), (124, 552080), (134, 510880), (155, 441664), (160, 427862), (206, 332320), (248, 276040), (268, 255440), (310, 220832), (320, 213931), (335, 204352), (412, 166160), (496, 138020), (515, 132928), (536, 127720), (620, 110416), (670, 102176), (824, 83080), (992, 69010), (1030, 66464), (1072, 63860), (1240, 55208), (1340, 51088), (1648, 41540), (1984, 34505), (2060, 33232), (2077, 32960), (2144, 31930), (2480, 27604), (2680, 25544), (3193, 21440), (3296, 20770), (4120, 16616), (4154, 16480), (4288, 15965), (4960, 13802), (5360, 12772), (6386, 10720), (6592, 10385), (6901, 9920), (8240, 8308)]