278351520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 192

約数和(自身を含む): 963809280

約数和(自身を除く): 685457760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 152, 160, 184, 190, 228, 230, 240, 276, 285, 304, 345, 368, 380, 437, 456, 460, 480, 552, 570, 608, 690, 736, 760, 874, 912, 920, 1104, 1140, 1311, 1327, 1380, 1520, 1748, 1824, 1840, 2185, 2208, 2280, 2622, 2654, 2760, 3040, 3496, 3680, 3981, 4370, 4560, 5244, 5308, 5520, 6555, 6635, 6992, 7962, 8740, 9120, 10488, 10616, 11040, 13110, 13270, 13984, 15924, 17480, 19905, 20976, 21232, 25213, 26220, 26540, 30521, 31848, 34960, 39810, 41952, 42464, 50426, 52440, 53080, 61042, 63696, 69920, 75639, 79620, 91563, 100852, 104880, 106160, 122084, 126065, 127392, 151278, 152605, 159240, 183126, 201704, 209760, 212320, 244168, 252130, 302556, 305210, 318480, 366252, 378195, 403408, 457815, 488336, 504260, 579899, 605112, 610420, 636960, 732504, 756390, 806816, 915630, 976672, 1008520, 1159798, 1210224, 1220840, 1465008, 1512780, 1739697, 1831260, 2017040, 2319596, 2420448, 2441680, 2899495, 2930016, 3025560, 3479394, 3662520, 4034080, 4639192, 4883360, 5798990, 6051120, 6958788, 7325040, 8698485, 9278384, 11597980, 12102240, 13917576, 14650080, 17396970, 18556768, 23195960, 27835152, 34793940, 46391920, 55670304, 69587880, 92783840, 139175760, 278351520]

約数ペア:

[(1, 278351520), (2, 139175760), (3, 92783840), (4, 69587880), (5, 55670304), (6, 46391920), (8, 34793940), (10, 27835152), (12, 23195960), (15, 18556768), (16, 17396970), (19, 14650080), (20, 13917576), (23, 12102240), (24, 11597980), (30, 9278384), (32, 8698485), (38, 7325040), (40, 6958788), (46, 6051120), (48, 5798990), (57, 4883360), (60, 4639192), (69, 4034080), (76, 3662520), (80, 3479394), (92, 3025560), (95, 2930016), (96, 2899495), (114, 2441680), (115, 2420448), (120, 2319596), (138, 2017040), (152, 1831260), (160, 1739697), (184, 1512780), (190, 1465008), (228, 1220840), (230, 1210224), (240, 1159798), (276, 1008520), (285, 976672), (304, 915630), (345, 806816), (368, 756390), (380, 732504), (437, 636960), (456, 610420), (460, 605112), (480, 579899), (552, 504260), (570, 488336), (608, 457815), (690, 403408), (736, 378195), (760, 366252), (874, 318480), (912, 305210), (920, 302556), (1104, 252130), (1140, 244168), (1311, 212320), (1327, 209760), (1380, 201704), (1520, 183126), (1748, 159240), (1824, 152605), (1840, 151278), (2185, 127392), (2208, 126065), (2280, 122084), (2622, 106160), (2654, 104880), (2760, 100852), (3040, 91563), (3496, 79620), (3680, 75639), (3981, 69920), (4370, 63696), (4560, 61042), (5244, 53080), (5308, 52440), (5520, 50426), (6555, 42464), (6635, 41952), (6992, 39810), (7962, 34960), (8740, 31848), (9120, 30521), (10488, 26540), (10616, 26220), (11040, 25213), (13110, 21232), (13270, 20976), (13984, 19905), (15924, 17480)]