68915280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 320

約数和(自身を含む): 274268160

約数和(自身を除く): 205352880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 102, 105, 112, 114, 119, 120, 127, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 240, 254, 255, 266, 272, 280, 285, 304, 323, 336, 340, 357, 380, 381, 399, 408, 420, 456, 476, 508, 510, 532, 560, 570, 595, 635, 646, 665, 680, 714, 760, 762, 798, 816, 840, 889, 912, 952, 969, 1016, 1020, 1064, 1140, 1190, 1270, 1292, 1330, 1360, 1428, 1520, 1524, 1596, 1615, 1680, 1778, 1785, 1904, 1905, 1938, 1995, 2032, 2040, 2128, 2159, 2261, 2280, 2380, 2413, 2540, 2584, 2660, 2667, 2856, 3048, 3192, 3230, 3556, 3570, 3810, 3876, 3990, 4080, 4318, 4445, 4522, 4560, 4760, 4826, 4845, 5080, 5168, 5320, 5334, 5712, 6096, 6384, 6460, 6477, 6783, 7112, 7140, 7239, 7620, 7752, 7980, 8636, 8890, 9044, 9520, 9652, 9690, 10160, 10640, 10668, 10795, 11305, 12065, 12920, 12954, 13335, 13566, 14224, 14280, 14478, 15113, 15240, 15504, 15960, 16891, 17272, 17780, 18088, 19304, 19380, 21336, 21590, 22610, 24130, 25840, 25908, 26670, 27132, 28560, 28956, 30226, 30480, 31920, 32385, 33782, 33915, 34544, 35560, 36176, 36195, 38608, 38760, 41021, 42672, 43180, 45220, 45339, 48260, 50673, 51816, 53340, 54264, 57912, 60452, 64770, 67564, 67830, 71120, 72390, 75565, 77520, 82042, 84455, 86360, 90440, 90678, 96520, 101346, 103632, 106680, 108528, 115824, 120904, 123063, 129540, 135128, 135660, 144780, 151130, 164084, 168910, 172720, 180880, 181356, 193040, 202692, 205105, 213360, 226695, 241808, 246126, 253365, 259080, 270256, 271320, 287147, 289560, 302260, 328168, 337820, 362712, 405384, 410210, 453390, 492252, 506730, 518160, 542640, 574294, 579120, 604520, 615315, 656336, 675640, 725424, 810768, 820420, 861441, 906780, 984504, 1013460, 1148588, 1209040, 1230630, 1351280, 1435735, 1640840, 1722882, 1813560, 1969008, 2026920, 2297176, 2461260, 2871470, 3281680, 3445764, 3627120, 4053840, 4307205, 4594352, 4922520, 5742940, 6891528, 8614410, 9845040, 11485880, 13783056, 17228820, 22971760, 34457640, 68915280]

約数ペア:

[(1, 68915280), (2, 34457640), (3, 22971760), (4, 17228820), (5, 13783056), (6, 11485880), (7, 9845040), (8, 8614410), (10, 6891528), (12, 5742940), (14, 4922520), (15, 4594352), (16, 4307205), (17, 4053840), (19, 3627120), (20, 3445764), (21, 3281680), (24, 2871470), (28, 2461260), (30, 2297176), (34, 2026920), (35, 1969008), (38, 1813560), (40, 1722882), (42, 1640840), (48, 1435735), (51, 1351280), (56, 1230630), (57, 1209040), (60, 1148588), (68, 1013460), (70, 984504), (76, 906780), (80, 861441), (84, 820420), (85, 810768), (95, 725424), (102, 675640), (105, 656336), (112, 615315), (114, 604520), (119, 579120), (120, 574294), (127, 542640), (133, 518160), (136, 506730), (140, 492252), (152, 453390), (168, 410210), (170, 405384), (190, 362712), (204, 337820), (210, 328168), (228, 302260), (238, 289560), (240, 287147), (254, 271320), (255, 270256), (266, 259080), (272, 253365), (280, 246126), (285, 241808), (304, 226695), (323, 213360), (336, 205105), (340, 202692), (357, 193040), (380, 181356), (381, 180880), (399, 172720), (408, 168910), (420, 164084), (456, 151130), (476, 144780), (508, 135660), (510, 135128), (532, 129540), (560, 123063), (570, 120904), (595, 115824), (635, 108528), (646, 106680), (665, 103632), (680, 101346), (714, 96520), (760, 90678), (762, 90440), (798, 86360), (816, 84455), (840, 82042), (889, 77520), (912, 75565), (952, 72390), (969, 71120), (1016, 67830), (1020, 67564), (1064, 64770), (1140, 60452), (1190, 57912), (1270, 54264), (1292, 53340), (1330, 51816), (1360, 50673), (1428, 48260), (1520, 45339), (1524, 45220), (1596, 43180), (1615, 42672), (1680, 41021), (1778, 38760), (1785, 38608), (1904, 36195), (1905, 36176), (1938, 35560), (1995, 34544), (2032, 33915), (2040, 33782), (2128, 32385), (2159, 31920), (2261, 30480), (2280, 30226), (2380, 28956), (2413, 28560), (2540, 27132), (2584, 26670), (2660, 25908), (2667, 25840), (2856, 24130), (3048, 22610), (3192, 21590), (3230, 21336), (3556, 19380), (3570, 19304), (3810, 18088), (3876, 17780), (3990, 17272), (4080, 16891), (4318, 15960), (4445, 15504), (4522, 15240), (4560, 15113), (4760, 14478), (4826, 14280), (4845, 14224), (5080, 13566), (5168, 13335), (5320, 12954), (5334, 12920), (5712, 12065), (6096, 11305), (6384, 10795), (6460, 10668), (6477, 10640), (6783, 10160), (7112, 9690), (7140, 9652), (7239, 9520), (7620, 9044), (7752, 8890), (7980, 8636)]