2155117440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3911}}^1$

素因数の和:3981

約数の個数: 256

約数和(自身を含む): 8044323840

約数和(自身を除く): 5889206400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 64, 70, 80, 82, 84, 96, 105, 112, 120, 123, 128, 140, 160, 164, 168, 192, 205, 210, 224, 240, 246, 280, 287, 320, 328, 336, 384, 410, 420, 448, 480, 492, 560, 574, 615, 640, 656, 672, 820, 840, 861, 896, 960, 984, 1120, 1148, 1230, 1312, 1344, 1435, 1640, 1680, 1722, 1920, 1968, 2240, 2296, 2460, 2624, 2688, 2870, 3280, 3360, 3444, 3911, 3936, 4305, 4480, 4592, 4920, 5248, 5740, 6560, 6720, 6888, 7822, 7872, 8610, 9184, 9840, 11480, 11733, 13120, 13440, 13776, 15644, 15744, 17220, 18368, 19555, 19680, 22960, 23466, 26240, 27377, 27552, 31288, 34440, 36736, 39110, 39360, 45920, 46932, 54754, 55104, 58665, 62576, 68880, 78220, 78720, 82131, 91840, 93864, 109508, 110208, 117330, 125152, 136885, 137760, 156440, 160351, 164262, 183680, 187728, 219016, 234660, 250304, 273770, 275520, 312880, 320702, 328524, 375456, 410655, 438032, 469320, 481053, 500608, 547540, 551040, 625760, 641404, 657048, 750912, 801755, 821310, 876064, 938640, 962106, 1095080, 1122457, 1251520, 1282808, 1314096, 1501824, 1603510, 1642620, 1752128, 1877280, 1924212, 2190160, 2244914, 2405265, 2503040, 2565616, 2628192, 3207020, 3285240, 3367371, 3504256, 3754560, 3848424, 4380320, 4489828, 4810530, 5131232, 5256384, 5612285, 6414040, 6570480, 6734742, 7509120, 7696848, 8760640, 8979656, 9621060, 10262464, 10512768, 11224570, 12828080, 13140960, 13469484, 15393696, 16836855, 17521280, 17959312, 19242120, 20524928, 22449140, 25656160, 26281920, 26938968, 30787392, 33673710, 35918624, 38484240, 44898280, 51312320, 52563840, 53877936, 61574784, 67347420, 71837248, 76968480, 89796560, 102624640, 107755872, 134694840, 143674496, 153936960, 179593120, 215511744, 269389680, 307873920, 359186240, 431023488, 538779360, 718372480, 1077558720, 2155117440]

約数ペア:

[(1, 2155117440), (2, 1077558720), (3, 718372480), (4, 538779360), (5, 431023488), (6, 359186240), (7, 307873920), (8, 269389680), (10, 215511744), (12, 179593120), (14, 153936960), (15, 143674496), (16, 134694840), (20, 107755872), (21, 102624640), (24, 89796560), (28, 76968480), (30, 71837248), (32, 67347420), (35, 61574784), (40, 53877936), (41, 52563840), (42, 51312320), (48, 44898280), (56, 38484240), (60, 35918624), (64, 33673710), (70, 30787392), (80, 26938968), (82, 26281920), (84, 25656160), (96, 22449140), (105, 20524928), (112, 19242120), (120, 17959312), (123, 17521280), (128, 16836855), (140, 15393696), (160, 13469484), (164, 13140960), (168, 12828080), (192, 11224570), (205, 10512768), (210, 10262464), (224, 9621060), (240, 8979656), (246, 8760640), (280, 7696848), (287, 7509120), (320, 6734742), (328, 6570480), (336, 6414040), (384, 5612285), (410, 5256384), (420, 5131232), (448, 4810530), (480, 4489828), (492, 4380320), (560, 3848424), (574, 3754560), (615, 3504256), (640, 3367371), (656, 3285240), (672, 3207020), (820, 2628192), (840, 2565616), (861, 2503040), (896, 2405265), (960, 2244914), (984, 2190160), (1120, 1924212), (1148, 1877280), (1230, 1752128), (1312, 1642620), (1344, 1603510), (1435, 1501824), (1640, 1314096), (1680, 1282808), (1722, 1251520), (1920, 1122457), (1968, 1095080), (2240, 962106), (2296, 938640), (2460, 876064), (2624, 821310), (2688, 801755), (2870, 750912), (3280, 657048), (3360, 641404), (3444, 625760), (3911, 551040), (3936, 547540), (4305, 500608), (4480, 481053), (4592, 469320), (4920, 438032), (5248, 410655), (5740, 375456), (6560, 328524), (6720, 320702), (6888, 312880), (7822, 275520), (7872, 273770), (8610, 250304), (9184, 234660), (9840, 219016), (11480, 187728), (11733, 183680), (13120, 164262), (13440, 160351), (13776, 156440), (15644, 137760), (15744, 136885), (17220, 125152), (18368, 117330), (19555, 110208), (19680, 109508), (22960, 93864), (23466, 91840), (26240, 82131), (27377, 78720), (27552, 78220), (31288, 68880), (34440, 62576), (36736, 58665), (39110, 55104), (39360, 54754), (45920, 46932)]