68941120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:105

約数の個数: 224

約数和(自身を含む): 197510400

約数和(自身を除く): 128569280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 29, 32, 34, 38, 40, 46, 58, 64, 68, 76, 80, 85, 92, 95, 115, 116, 136, 145, 152, 160, 170, 184, 190, 230, 232, 272, 290, 304, 320, 323, 340, 368, 380, 391, 437, 460, 464, 493, 544, 551, 580, 608, 646, 667, 680, 736, 760, 782, 874, 920, 928, 986, 1088, 1102, 1160, 1216, 1292, 1334, 1360, 1472, 1520, 1564, 1615, 1748, 1840, 1856, 1955, 1972, 2185, 2204, 2320, 2465, 2584, 2668, 2720, 2755, 3040, 3128, 3230, 3335, 3496, 3680, 3910, 3944, 4370, 4408, 4640, 4930, 5168, 5336, 5440, 5510, 6080, 6256, 6460, 6670, 6992, 7360, 7429, 7820, 7888, 8740, 8816, 9280, 9367, 9860, 10336, 10672, 11020, 11339, 12512, 12673, 12920, 13340, 13984, 14858, 15640, 15776, 17480, 17632, 18734, 19720, 20672, 21344, 22040, 22678, 25024, 25346, 25840, 26680, 27968, 29716, 31280, 31552, 34960, 35264, 37145, 37468, 39440, 42688, 44080, 45356, 46835, 50692, 51680, 53360, 56695, 59432, 62560, 63365, 69920, 74290, 74936, 78880, 88160, 90712, 93670, 101384, 103360, 106720, 113390, 118864, 125120, 126730, 139840, 148580, 149872, 157760, 176320, 181424, 187340, 202768, 213440, 215441, 226780, 237728, 253460, 297160, 299744, 362848, 374680, 405536, 430882, 453560, 475456, 506920, 594320, 599488, 725696, 749360, 811072, 861764, 907120, 1013840, 1077205, 1188640, 1498720, 1723528, 1814240, 2027680, 2154410, 2377280, 2997440, 3447056, 3628480, 4055360, 4308820, 6894112, 8617640, 13788224, 17235280, 34470560, 68941120]

約数ペア:

[(1, 68941120), (2, 34470560), (4, 17235280), (5, 13788224), (8, 8617640), (10, 6894112), (16, 4308820), (17, 4055360), (19, 3628480), (20, 3447056), (23, 2997440), (29, 2377280), (32, 2154410), (34, 2027680), (38, 1814240), (40, 1723528), (46, 1498720), (58, 1188640), (64, 1077205), (68, 1013840), (76, 907120), (80, 861764), (85, 811072), (92, 749360), (95, 725696), (115, 599488), (116, 594320), (136, 506920), (145, 475456), (152, 453560), (160, 430882), (170, 405536), (184, 374680), (190, 362848), (230, 299744), (232, 297160), (272, 253460), (290, 237728), (304, 226780), (320, 215441), (323, 213440), (340, 202768), (368, 187340), (380, 181424), (391, 176320), (437, 157760), (460, 149872), (464, 148580), (493, 139840), (544, 126730), (551, 125120), (580, 118864), (608, 113390), (646, 106720), (667, 103360), (680, 101384), (736, 93670), (760, 90712), (782, 88160), (874, 78880), (920, 74936), (928, 74290), (986, 69920), (1088, 63365), (1102, 62560), (1160, 59432), (1216, 56695), (1292, 53360), (1334, 51680), (1360, 50692), (1472, 46835), (1520, 45356), (1564, 44080), (1615, 42688), (1748, 39440), (1840, 37468), (1856, 37145), (1955, 35264), (1972, 34960), (2185, 31552), (2204, 31280), (2320, 29716), (2465, 27968), (2584, 26680), (2668, 25840), (2720, 25346), (2755, 25024), (3040, 22678), (3128, 22040), (3230, 21344), (3335, 20672), (3496, 19720), (3680, 18734), (3910, 17632), (3944, 17480), (4370, 15776), (4408, 15640), (4640, 14858), (4930, 13984), (5168, 13340), (5336, 12920), (5440, 12673), (5510, 12512), (6080, 11339), (6256, 11020), (6460, 10672), (6670, 10336), (6992, 9860), (7360, 9367), (7429, 9280), (7820, 8816), (7888, 8740)]