64879360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 191612736

約数和(自身を除く): 126733376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 557, 560, 640, 728, 832, 896, 910, 1040, 1114, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2228, 2240, 2785, 2912, 3328, 3640, 3899, 4160, 4456, 4480, 5570, 5824, 7241, 7280, 7798, 8320, 8912, 8960, 11140, 11648, 14482, 14560, 15596, 16640, 17824, 19495, 22280, 23296, 28964, 29120, 31192, 35648, 36205, 38990, 44560, 50687, 57928, 58240, 62384, 71296, 72410, 77980, 89120, 101374, 115856, 116480, 124768, 142592, 144820, 155960, 178240, 202748, 231712, 249536, 253435, 289640, 311920, 356480, 405496, 463424, 499072, 506870, 579280, 623840, 712960, 810992, 926848, 998144, 1013740, 1158560, 1247680, 1621984, 1853696, 2027480, 2317120, 2495360, 3243968, 4054960, 4634240, 4990720, 6487936, 8109920, 9268480, 12975872, 16219840, 32439680, 64879360]

約数ペア:

[(1, 64879360), (2, 32439680), (4, 16219840), (5, 12975872), (7, 9268480), (8, 8109920), (10, 6487936), (13, 4990720), (14, 4634240), (16, 4054960), (20, 3243968), (26, 2495360), (28, 2317120), (32, 2027480), (35, 1853696), (40, 1621984), (52, 1247680), (56, 1158560), (64, 1013740), (65, 998144), (70, 926848), (80, 810992), (91, 712960), (104, 623840), (112, 579280), (128, 506870), (130, 499072), (140, 463424), (160, 405496), (182, 356480), (208, 311920), (224, 289640), (256, 253435), (260, 249536), (280, 231712), (320, 202748), (364, 178240), (416, 155960), (448, 144820), (455, 142592), (520, 124768), (557, 116480), (560, 115856), (640, 101374), (728, 89120), (832, 77980), (896, 72410), (910, 71296), (1040, 62384), (1114, 58240), (1120, 57928), (1280, 50687), (1456, 44560), (1664, 38990), (1792, 36205), (1820, 35648), (2080, 31192), (2228, 29120), (2240, 28964), (2785, 23296), (2912, 22280), (3328, 19495), (3640, 17824), (3899, 16640), (4160, 15596), (4456, 14560), (4480, 14482), (5570, 11648), (5824, 11140), (7241, 8960), (7280, 8912), (7798, 8320)]