280734720

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{373}}^1$

素因数の和:415

約数の個数: 264

約数和(自身を含む): 1047310704

約数和(自身を除く): 766575984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 373, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 746, 768, 784, 840, 896, 960, 980, 1024, 1119, 1120, 1176, 1280, 1344, 1470, 1492, 1536, 1568, 1680, 1792, 1865, 1920, 1960, 2238, 2240, 2352, 2560, 2611, 2688, 2940, 2984, 3072, 3136, 3360, 3584, 3730, 3840, 3920, 4476, 4480, 4704, 5120, 5222, 5376, 5595, 5880, 5968, 6272, 6720, 7168, 7460, 7680, 7833, 7840, 8952, 8960, 9408, 10444, 10752, 11190, 11760, 11936, 12544, 13055, 13440, 14920, 15360, 15666, 15680, 17904, 17920, 18277, 18816, 20888, 21504, 22380, 23520, 23872, 25088, 26110, 26880, 29840, 31332, 31360, 35808, 35840, 36554, 37632, 39165, 41776, 44760, 47040, 47744, 50176, 52220, 53760, 54831, 59680, 62664, 62720, 71616, 73108, 75264, 78330, 83552, 89520, 91385, 94080, 95488, 104440, 107520, 109662, 119360, 125328, 125440, 143232, 146216, 150528, 156660, 167104, 179040, 182770, 188160, 190976, 208880, 219324, 238720, 250656, 250880, 274155, 286464, 292432, 313320, 334208, 358080, 365540, 376320, 381952, 417760, 438648, 477440, 501312, 548310, 572928, 584864, 626640, 668416, 716160, 731080, 752640, 835520, 877296, 954880, 1002624, 1096620, 1145856, 1169728, 1253280, 1336832, 1432320, 1462160, 1671040, 1754592, 1909760, 2005248, 2193240, 2339456, 2506560, 2673664, 2864640, 2924320, 3342080, 3509184, 4010496, 4386480, 4678912, 5013120, 5729280, 5848640, 6684160, 7018368, 8020992, 8772960, 9357824, 10026240, 11697280, 13368320, 14036736, 17545920, 18715648, 20052480, 23394560, 28073472, 35091840, 40104960, 46789120, 56146944, 70183680, 93578240, 140367360, 280734720]

約数ペア:

[(1, 280734720), (2, 140367360), (3, 93578240), (4, 70183680), (5, 56146944), (6, 46789120), (7, 40104960), (8, 35091840), (10, 28073472), (12, 23394560), (14, 20052480), (15, 18715648), (16, 17545920), (20, 14036736), (21, 13368320), (24, 11697280), (28, 10026240), (30, 9357824), (32, 8772960), (35, 8020992), (40, 7018368), (42, 6684160), (48, 5848640), (49, 5729280), (56, 5013120), (60, 4678912), (64, 4386480), (70, 4010496), (80, 3509184), (84, 3342080), (96, 2924320), (98, 2864640), (105, 2673664), (112, 2506560), (120, 2339456), (128, 2193240), (140, 2005248), (147, 1909760), (160, 1754592), (168, 1671040), (192, 1462160), (196, 1432320), (210, 1336832), (224, 1253280), (240, 1169728), (245, 1145856), (256, 1096620), (280, 1002624), (294, 954880), (320, 877296), (336, 835520), (373, 752640), (384, 731080), (392, 716160), (420, 668416), (448, 626640), (480, 584864), (490, 572928), (512, 548310), (560, 501312), (588, 477440), (640, 438648), (672, 417760), (735, 381952), (746, 376320), (768, 365540), (784, 358080), (840, 334208), (896, 313320), (960, 292432), (980, 286464), (1024, 274155), (1119, 250880), (1120, 250656), (1176, 238720), (1280, 219324), (1344, 208880), (1470, 190976), (1492, 188160), (1536, 182770), (1568, 179040), (1680, 167104), (1792, 156660), (1865, 150528), (1920, 146216), (1960, 143232), (2238, 125440), (2240, 125328), (2352, 119360), (2560, 109662), (2611, 107520), (2688, 104440), (2940, 95488), (2984, 94080), (3072, 91385), (3136, 89520), (3360, 83552), (3584, 78330), (3730, 75264), (3840, 73108), (3920, 71616), (4476, 62720), (4480, 62664), (4704, 59680), (5120, 54831), (5222, 53760), (5376, 52220), (5595, 50176), (5880, 47744), (5968, 47040), (6272, 44760), (6720, 41776), (7168, 39165), (7460, 37632), (7680, 36554), (7833, 35840), (7840, 35808), (8952, 31360), (8960, 31332), (9408, 29840), (10444, 26880), (10752, 26110), (11190, 25088), (11760, 23872), (11936, 23520), (12544, 22380), (13055, 21504), (13440, 20888), (14920, 18816), (15360, 18277), (15666, 17920), (15680, 17904)]