64945440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:424

約数の個数: 288

約数和(自身を含む): 268894080

約数和(自身を除く): 203948640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 379, 408, 420, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 758, 765, 816, 840, 952, 1008, 1020, 1071, 1120, 1137, 1190, 1224, 1260, 1360, 1428, 1440, 1516, 1530, 1632, 1680, 1785, 1895, 1904, 2016, 2040, 2142, 2274, 2380, 2448, 2520, 2653, 2720, 2856, 3032, 3060, 3360, 3411, 3570, 3790, 3808, 4080, 4284, 4548, 4760, 4896, 5040, 5306, 5355, 5685, 5712, 6064, 6120, 6443, 6822, 7140, 7580, 7959, 8160, 8568, 9096, 9520, 10080, 10612, 10710, 11370, 11424, 12128, 12240, 12886, 13265, 13644, 14280, 15160, 15918, 17055, 17136, 18192, 19040, 19329, 21224, 21420, 22740, 23877, 24480, 25772, 26530, 27288, 28560, 30320, 31836, 32215, 34110, 34272, 36384, 38658, 39795, 42448, 42840, 45101, 45480, 47754, 51544, 53060, 54576, 57120, 57987, 60640, 63672, 64430, 68220, 77316, 79590, 84896, 85680, 90202, 90960, 95508, 96645, 103088, 106120, 109152, 115974, 119385, 127344, 128860, 135303, 136440, 154632, 159180, 171360, 180404, 181920, 191016, 193290, 206176, 212240, 225505, 231948, 238770, 254688, 257720, 270606, 272880, 289935, 309264, 318360, 360808, 382032, 386580, 405909, 424480, 451010, 463896, 477540, 515440, 541212, 545760, 579870, 618528, 636720, 676515, 721616, 764064, 773160, 811818, 902020, 927792, 955080, 1030880, 1082424, 1159740, 1273440, 1353030, 1443232, 1546320, 1623636, 1804040, 1855584, 1910160, 2029545, 2164848, 2319480, 2706060, 3092640, 3247272, 3608080, 3820320, 4059090, 4329696, 4638960, 5412120, 6494544, 7216160, 8118180, 9277920, 10824240, 12989088, 16236360, 21648480, 32472720, 64945440]

約数ペア:

[(1, 64945440), (2, 32472720), (3, 21648480), (4, 16236360), (5, 12989088), (6, 10824240), (7, 9277920), (8, 8118180), (9, 7216160), (10, 6494544), (12, 5412120), (14, 4638960), (15, 4329696), (16, 4059090), (17, 3820320), (18, 3608080), (20, 3247272), (21, 3092640), (24, 2706060), (28, 2319480), (30, 2164848), (32, 2029545), (34, 1910160), (35, 1855584), (36, 1804040), (40, 1623636), (42, 1546320), (45, 1443232), (48, 1353030), (51, 1273440), (56, 1159740), (60, 1082424), (63, 1030880), (68, 955080), (70, 927792), (72, 902020), (80, 811818), (84, 773160), (85, 764064), (90, 721616), (96, 676515), (102, 636720), (105, 618528), (112, 579870), (119, 545760), (120, 541212), (126, 515440), (136, 477540), (140, 463896), (144, 451010), (153, 424480), (160, 405909), (168, 386580), (170, 382032), (180, 360808), (204, 318360), (210, 309264), (224, 289935), (238, 272880), (240, 270606), (252, 257720), (255, 254688), (272, 238770), (280, 231948), (288, 225505), (306, 212240), (315, 206176), (336, 193290), (340, 191016), (357, 181920), (360, 180404), (379, 171360), (408, 159180), (420, 154632), (476, 136440), (480, 135303), (504, 128860), (510, 127344), (544, 119385), (560, 115974), (595, 109152), (612, 106120), (630, 103088), (672, 96645), (680, 95508), (714, 90960), (720, 90202), (758, 85680), (765, 84896), (816, 79590), (840, 77316), (952, 68220), (1008, 64430), (1020, 63672), (1071, 60640), (1120, 57987), (1137, 57120), (1190, 54576), (1224, 53060), (1260, 51544), (1360, 47754), (1428, 45480), (1440, 45101), (1516, 42840), (1530, 42448), (1632, 39795), (1680, 38658), (1785, 36384), (1895, 34272), (1904, 34110), (2016, 32215), (2040, 31836), (2142, 30320), (2274, 28560), (2380, 27288), (2448, 26530), (2520, 25772), (2653, 24480), (2720, 23877), (2856, 22740), (3032, 21420), (3060, 21224), (3360, 19329), (3411, 19040), (3570, 18192), (3790, 17136), (3808, 17055), (4080, 15918), (4284, 15160), (4548, 14280), (4760, 13644), (4896, 13265), (5040, 12886), (5306, 12240), (5355, 12128), (5685, 11424), (5712, 11370), (6064, 10710), (6120, 10612), (6443, 10080), (6822, 9520), (7140, 9096), (7580, 8568), (7959, 8160)]