259672960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:888

約数の個数: 128

約数和(自身を含む): 680788800

約数和(自身を除く): 421115840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 272, 290, 320, 340, 464, 493, 544, 580, 640, 680, 823, 928, 986, 1088, 1160, 1360, 1646, 1856, 1972, 2176, 2320, 2465, 2720, 3292, 3712, 3944, 4115, 4640, 4930, 5440, 6584, 7888, 8230, 9280, 9860, 10880, 13168, 13991, 15776, 16460, 18560, 19720, 23867, 26336, 27982, 31552, 32920, 39440, 47734, 52672, 55964, 63104, 65840, 69955, 78880, 95468, 105344, 111928, 119335, 131680, 139910, 157760, 190936, 223856, 238670, 263360, 279820, 315520, 381872, 405739, 447712, 477340, 526720, 559640, 763744, 811478, 895424, 954680, 1119280, 1527488, 1622956, 1790848, 1909360, 2028695, 2238560, 3054976, 3245912, 3818720, 4057390, 4477120, 6491824, 7637440, 8114780, 8954240, 12983648, 15274880, 16229560, 25967296, 32459120, 51934592, 64918240, 129836480, 259672960]

約数ペア:

[(1, 259672960), (2, 129836480), (4, 64918240), (5, 51934592), (8, 32459120), (10, 25967296), (16, 16229560), (17, 15274880), (20, 12983648), (29, 8954240), (32, 8114780), (34, 7637440), (40, 6491824), (58, 4477120), (64, 4057390), (68, 3818720), (80, 3245912), (85, 3054976), (116, 2238560), (128, 2028695), (136, 1909360), (145, 1790848), (160, 1622956), (170, 1527488), (232, 1119280), (272, 954680), (290, 895424), (320, 811478), (340, 763744), (464, 559640), (493, 526720), (544, 477340), (580, 447712), (640, 405739), (680, 381872), (823, 315520), (928, 279820), (986, 263360), (1088, 238670), (1160, 223856), (1360, 190936), (1646, 157760), (1856, 139910), (1972, 131680), (2176, 119335), (2320, 111928), (2465, 105344), (2720, 95468), (3292, 78880), (3712, 69955), (3944, 65840), (4115, 63104), (4640, 55964), (4930, 52672), (5440, 47734), (6584, 39440), (7888, 32920), (8230, 31552), (9280, 27982), (9860, 26336), (10880, 23867), (13168, 19720), (13991, 18560), (15776, 16460)]