64715520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:930

約数の個数: 144

約数和(自身を含む): 217808640

約数和(自身を除く): 153093120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 887, 912, 960, 1140, 1216, 1280, 1520, 1774, 1824, 1920, 2280, 2432, 2661, 3040, 3548, 3648, 3840, 4435, 4560, 4864, 5322, 6080, 7096, 7296, 8870, 9120, 10644, 12160, 13305, 14192, 14592, 16853, 17740, 18240, 21288, 24320, 26610, 28384, 33706, 35480, 36480, 42576, 50559, 53220, 56768, 67412, 70960, 72960, 84265, 85152, 101118, 106440, 113536, 134824, 141920, 168530, 170304, 202236, 212880, 227072, 252795, 269648, 283840, 337060, 340608, 404472, 425760, 505590, 539296, 567680, 674120, 681216, 808944, 851520, 1011180, 1078592, 1135360, 1348240, 1617888, 1703040, 2022360, 2157184, 2696480, 3235776, 3406080, 4044720, 4314368, 5392960, 6471552, 8089440, 10785920, 12943104, 16178880, 21571840, 32357760, 64715520]

約数ペア:

[(1, 64715520), (2, 32357760), (3, 21571840), (4, 16178880), (5, 12943104), (6, 10785920), (8, 8089440), (10, 6471552), (12, 5392960), (15, 4314368), (16, 4044720), (19, 3406080), (20, 3235776), (24, 2696480), (30, 2157184), (32, 2022360), (38, 1703040), (40, 1617888), (48, 1348240), (57, 1135360), (60, 1078592), (64, 1011180), (76, 851520), (80, 808944), (95, 681216), (96, 674120), (114, 567680), (120, 539296), (128, 505590), (152, 425760), (160, 404472), (190, 340608), (192, 337060), (228, 283840), (240, 269648), (256, 252795), (285, 227072), (304, 212880), (320, 202236), (380, 170304), (384, 168530), (456, 141920), (480, 134824), (570, 113536), (608, 106440), (640, 101118), (760, 85152), (768, 84265), (887, 72960), (912, 70960), (960, 67412), (1140, 56768), (1216, 53220), (1280, 50559), (1520, 42576), (1774, 36480), (1824, 35480), (1920, 33706), (2280, 28384), (2432, 26610), (2661, 24320), (3040, 21288), (3548, 18240), (3648, 17740), (3840, 16853), (4435, 14592), (4560, 14192), (4864, 13305), (5322, 12160), (6080, 10644), (7096, 9120), (7296, 8870)]