128926720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 132

約数和(自身を含む): 337140900

約数和(自身を除く): 208214180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 169, 208, 256, 260, 298, 320, 338, 416, 512, 520, 596, 640, 676, 745, 832, 845, 1024, 1040, 1192, 1280, 1352, 1490, 1664, 1690, 1937, 2080, 2384, 2560, 2704, 2980, 3328, 3380, 3874, 4160, 4768, 5120, 5408, 5960, 6656, 6760, 7748, 8320, 9536, 9685, 10816, 11920, 13312, 13520, 15496, 16640, 19072, 19370, 21632, 23840, 25181, 27040, 30992, 33280, 38144, 38740, 43264, 47680, 50362, 54080, 61984, 66560, 76288, 77480, 86528, 95360, 100724, 108160, 123968, 125905, 152576, 154960, 173056, 190720, 201448, 216320, 247936, 251810, 309920, 381440, 402896, 432640, 495872, 503620, 619840, 762880, 805792, 865280, 991744, 1007240, 1239680, 1611584, 1983488, 2014480, 2479360, 3223168, 4028960, 4958720, 6446336, 8057920, 9917440, 12892672, 16115840, 25785344, 32231680, 64463360, 128926720]

約数ペア:

[(1, 128926720), (2, 64463360), (4, 32231680), (5, 25785344), (8, 16115840), (10, 12892672), (13, 9917440), (16, 8057920), (20, 6446336), (26, 4958720), (32, 4028960), (40, 3223168), (52, 2479360), (64, 2014480), (65, 1983488), (80, 1611584), (104, 1239680), (128, 1007240), (130, 991744), (149, 865280), (160, 805792), (169, 762880), (208, 619840), (256, 503620), (260, 495872), (298, 432640), (320, 402896), (338, 381440), (416, 309920), (512, 251810), (520, 247936), (596, 216320), (640, 201448), (676, 190720), (745, 173056), (832, 154960), (845, 152576), (1024, 125905), (1040, 123968), (1192, 108160), (1280, 100724), (1352, 95360), (1490, 86528), (1664, 77480), (1690, 76288), (1937, 66560), (2080, 61984), (2384, 54080), (2560, 50362), (2704, 47680), (2980, 43264), (3328, 38740), (3380, 38144), (3874, 33280), (4160, 30992), (4768, 27040), (5120, 25181), (5408, 23840), (5960, 21632), (6656, 19370), (6760, 19072), (7748, 16640), (8320, 15496), (9536, 13520), (9685, 13312), (10816, 11920)]