639342880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 1724405760

約数和(自身を除く): 1085062880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 59, 80, 88, 94, 110, 118, 131, 160, 176, 188, 220, 235, 236, 262, 295, 352, 376, 440, 470, 472, 517, 524, 590, 649, 655, 752, 880, 940, 944, 1034, 1048, 1180, 1298, 1310, 1441, 1504, 1760, 1880, 1888, 2068, 2096, 2360, 2585, 2596, 2620, 2773, 2882, 3245, 3760, 4136, 4192, 4720, 5170, 5192, 5240, 5546, 5764, 6157, 6490, 7205, 7520, 7729, 8272, 9440, 10340, 10384, 10480, 11092, 11528, 12314, 12980, 13865, 14410, 15458, 16544, 20680, 20768, 20960, 22184, 23056, 24628, 25960, 27730, 28820, 30503, 30785, 30916, 38645, 41360, 44368, 46112, 49256, 51920, 55460, 57640, 61006, 61570, 61832, 67727, 77290, 82720, 85019, 88736, 98512, 103840, 110920, 115280, 122012, 123140, 123664, 135454, 152515, 154580, 170038, 197024, 221840, 230560, 244024, 246280, 247328, 270908, 305030, 309160, 338635, 340076, 363263, 425095, 443680, 488048, 492560, 541816, 610060, 618320, 677270, 680152, 726526, 850190, 976096, 985120, 1083632, 1220120, 1236640, 1354540, 1360304, 1453052, 1700380, 1816315, 2167264, 2440240, 2709080, 2720608, 2906104, 3400760, 3632630, 3995893, 4880480, 5418160, 5812208, 6801520, 7265260, 7991786, 10836320, 11624416, 13603040, 14530520, 15983572, 19979465, 29061040, 31967144, 39958930, 58122080, 63934288, 79917860, 127868576, 159835720, 319671440, 639342880]

約数ペア:

[(1, 639342880), (2, 319671440), (4, 159835720), (5, 127868576), (8, 79917860), (10, 63934288), (11, 58122080), (16, 39958930), (20, 31967144), (22, 29061040), (32, 19979465), (40, 15983572), (44, 14530520), (47, 13603040), (55, 11624416), (59, 10836320), (80, 7991786), (88, 7265260), (94, 6801520), (110, 5812208), (118, 5418160), (131, 4880480), (160, 3995893), (176, 3632630), (188, 3400760), (220, 2906104), (235, 2720608), (236, 2709080), (262, 2440240), (295, 2167264), (352, 1816315), (376, 1700380), (440, 1453052), (470, 1360304), (472, 1354540), (517, 1236640), (524, 1220120), (590, 1083632), (649, 985120), (655, 976096), (752, 850190), (880, 726526), (940, 680152), (944, 677270), (1034, 618320), (1048, 610060), (1180, 541816), (1298, 492560), (1310, 488048), (1441, 443680), (1504, 425095), (1760, 363263), (1880, 340076), (1888, 338635), (2068, 309160), (2096, 305030), (2360, 270908), (2585, 247328), (2596, 246280), (2620, 244024), (2773, 230560), (2882, 221840), (3245, 197024), (3760, 170038), (4136, 154580), (4192, 152515), (4720, 135454), (5170, 123664), (5192, 123140), (5240, 122012), (5546, 115280), (5764, 110920), (6157, 103840), (6490, 98512), (7205, 88736), (7520, 85019), (7729, 82720), (8272, 77290), (9440, 67727), (10340, 61832), (10384, 61570), (10480, 61006), (11092, 57640), (11528, 55460), (12314, 51920), (12980, 49256), (13865, 46112), (14410, 44368), (15458, 41360), (16544, 38645), (20680, 30916), (20768, 30785), (20960, 30503), (22184, 28820), (23056, 27730), (24628, 25960)]