279701760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 216

約数和(自身を含む): 969542784

約数和(自身を除く): 689841024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 431, 480, 507, 520, 624, 640, 676, 768, 780, 832, 845, 862, 960, 1014, 1040, 1248, 1280, 1293, 1352, 1560, 1664, 1690, 1724, 1920, 2028, 2080, 2155, 2496, 2535, 2586, 2704, 3120, 3328, 3380, 3448, 3840, 4056, 4160, 4310, 4992, 5070, 5172, 5408, 5603, 6240, 6465, 6760, 6896, 8112, 8320, 8620, 9984, 10140, 10344, 10816, 11206, 12480, 12930, 13520, 13792, 16224, 16640, 16809, 17240, 20280, 20688, 21632, 22412, 24960, 25860, 27040, 27584, 28015, 32448, 33618, 34480, 40560, 41376, 43264, 44824, 49920, 51720, 54080, 55168, 56030, 64896, 67236, 68960, 72839, 81120, 82752, 84045, 89648, 103440, 108160, 110336, 112060, 129792, 134472, 137920, 145678, 162240, 165504, 168090, 179296, 206880, 216320, 218517, 224120, 268944, 275840, 291356, 324480, 331008, 336180, 358592, 364195, 413760, 437034, 448240, 537888, 551680, 582712, 648960, 672360, 717184, 728390, 827520, 874068, 896480, 1075776, 1092585, 1165424, 1344720, 1434368, 1456780, 1655040, 1748136, 1792960, 2151552, 2185170, 2330848, 2689440, 2913560, 3496272, 3585920, 4303104, 4370340, 4661696, 5378880, 5827120, 6992544, 7171840, 8740680, 9323392, 10757760, 11654240, 13985088, 17481360, 18646784, 21515520, 23308480, 27970176, 34962720, 46616960, 55940352, 69925440, 93233920, 139850880, 279701760]

約数ペア:

[(1, 279701760), (2, 139850880), (3, 93233920), (4, 69925440), (5, 55940352), (6, 46616960), (8, 34962720), (10, 27970176), (12, 23308480), (13, 21515520), (15, 18646784), (16, 17481360), (20, 13985088), (24, 11654240), (26, 10757760), (30, 9323392), (32, 8740680), (39, 7171840), (40, 6992544), (48, 5827120), (52, 5378880), (60, 4661696), (64, 4370340), (65, 4303104), (78, 3585920), (80, 3496272), (96, 2913560), (104, 2689440), (120, 2330848), (128, 2185170), (130, 2151552), (156, 1792960), (160, 1748136), (169, 1655040), (192, 1456780), (195, 1434368), (208, 1344720), (240, 1165424), (256, 1092585), (260, 1075776), (312, 896480), (320, 874068), (338, 827520), (384, 728390), (390, 717184), (416, 672360), (431, 648960), (480, 582712), (507, 551680), (520, 537888), (624, 448240), (640, 437034), (676, 413760), (768, 364195), (780, 358592), (832, 336180), (845, 331008), (862, 324480), (960, 291356), (1014, 275840), (1040, 268944), (1248, 224120), (1280, 218517), (1293, 216320), (1352, 206880), (1560, 179296), (1664, 168090), (1690, 165504), (1724, 162240), (1920, 145678), (2028, 137920), (2080, 134472), (2155, 129792), (2496, 112060), (2535, 110336), (2586, 108160), (2704, 103440), (3120, 89648), (3328, 84045), (3380, 82752), (3448, 81120), (3840, 72839), (4056, 68960), (4160, 67236), (4310, 64896), (4992, 56030), (5070, 55168), (5172, 54080), (5408, 51720), (5603, 49920), (6240, 44824), (6465, 43264), (6760, 41376), (6896, 40560), (8112, 34480), (8320, 33618), (8620, 32448), (9984, 28015), (10140, 27584), (10344, 27040), (10816, 25860), (11206, 24960), (12480, 22412), (12930, 21632), (13520, 20688), (13792, 20280), (16224, 17240), (16640, 16809)]