280785120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 384

約数和(自身を含む): 1128701952

約数和(自身を除く): 847916832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 96, 105, 107, 110, 112, 120, 132, 140, 142, 154, 160, 165, 168, 176, 210, 213, 214, 220, 224, 231, 240, 264, 280, 284, 308, 321, 330, 336, 352, 355, 385, 420, 426, 428, 440, 462, 480, 497, 528, 535, 560, 568, 616, 642, 660, 672, 710, 749, 770, 781, 840, 852, 856, 880, 924, 994, 1056, 1065, 1070, 1120, 1136, 1155, 1177, 1232, 1284, 1320, 1420, 1491, 1498, 1540, 1562, 1605, 1680, 1704, 1712, 1760, 1848, 1988, 2130, 2140, 2247, 2272, 2310, 2343, 2354, 2464, 2485, 2568, 2640, 2840, 2982, 2996, 3080, 3124, 3210, 3360, 3408, 3424, 3531, 3696, 3745, 3905, 3976, 4260, 4280, 4494, 4620, 4686, 4708, 4970, 5136, 5280, 5467, 5680, 5885, 5964, 5992, 6160, 6248, 6420, 6816, 7062, 7392, 7455, 7490, 7597, 7810, 7952, 8239, 8520, 8560, 8988, 9240, 9372, 9416, 9940, 10272, 10934, 11235, 11360, 11715, 11770, 11928, 11984, 12320, 12496, 12840, 14124, 14910, 14980, 15194, 15620, 15904, 16401, 16478, 17040, 17120, 17655, 17976, 18480, 18744, 18832, 19880, 21868, 22470, 22791, 23430, 23540, 23856, 23968, 24717, 24992, 25680, 27335, 28248, 29820, 29960, 30388, 31240, 32802, 32956, 34080, 35310, 35952, 36960, 37488, 37664, 37985, 39760, 41195, 43736, 44940, 45582, 46860, 47080, 47712, 49434, 51360, 53179, 54670, 56496, 59640, 59920, 60776, 62480, 65604, 65912, 70620, 71904, 74976, 75970, 79520, 82005, 82390, 83567, 87472, 89880, 91164, 93720, 94160, 98868, 106358, 109340, 112992, 113955, 119280, 119840, 121552, 123585, 124960, 131208, 131824, 141240, 151940, 159537, 164010, 164780, 167134, 174944, 179760, 182328, 187440, 188320, 197736, 212716, 218680, 227910, 238560, 243104, 247170, 250701, 262416, 263648, 265895, 282480, 303880, 319074, 328020, 329560, 334268, 359520, 364656, 374880, 395472, 417835, 425432, 437360, 455820, 494340, 501402, 524832, 531790, 564960, 584969, 607760, 638148, 656040, 659120, 668536, 729312, 790944, 797685, 835670, 850864, 874720, 911640, 988680, 1002804, 1063580, 1169938, 1215520, 1253505, 1276296, 1312080, 1318240, 1337072, 1595370, 1671340, 1701728, 1754907, 1823280, 1977360, 2005608, 2127160, 2339876, 2507010, 2552592, 2624160, 2674144, 2924845, 3190740, 3342680, 3509814, 3646560, 3954720, 4011216, 4254320, 4679752, 5014020, 5105184, 5849690, 6381480, 6685360, 7019628, 8022432, 8508640, 8774535, 9359504, 10028040, 11699380, 12762960, 13370720, 14039256, 17549070, 18719008, 20056080, 23398760, 25525920, 28078512, 35098140, 40112160, 46797520, 56157024, 70196280, 93595040, 140392560, 280785120]

約数ペア:

[(1, 280785120), (2, 140392560), (3, 93595040), (4, 70196280), (5, 56157024), (6, 46797520), (7, 40112160), (8, 35098140), (10, 28078512), (11, 25525920), (12, 23398760), (14, 20056080), (15, 18719008), (16, 17549070), (20, 14039256), (21, 13370720), (22, 12762960), (24, 11699380), (28, 10028040), (30, 9359504), (32, 8774535), (33, 8508640), (35, 8022432), (40, 7019628), (42, 6685360), (44, 6381480), (48, 5849690), (55, 5105184), (56, 5014020), (60, 4679752), (66, 4254320), (70, 4011216), (71, 3954720), (77, 3646560), (80, 3509814), (84, 3342680), (88, 3190740), (96, 2924845), (105, 2674144), (107, 2624160), (110, 2552592), (112, 2507010), (120, 2339876), (132, 2127160), (140, 2005608), (142, 1977360), (154, 1823280), (160, 1754907), (165, 1701728), (168, 1671340), (176, 1595370), (210, 1337072), (213, 1318240), (214, 1312080), (220, 1276296), (224, 1253505), (231, 1215520), (240, 1169938), (264, 1063580), (280, 1002804), (284, 988680), (308, 911640), (321, 874720), (330, 850864), (336, 835670), (352, 797685), (355, 790944), (385, 729312), (420, 668536), (426, 659120), (428, 656040), (440, 638148), (462, 607760), (480, 584969), (497, 564960), (528, 531790), (535, 524832), (560, 501402), (568, 494340), (616, 455820), (642, 437360), (660, 425432), (672, 417835), (710, 395472), (749, 374880), (770, 364656), (781, 359520), (840, 334268), (852, 329560), (856, 328020), (880, 319074), (924, 303880), (994, 282480), (1056, 265895), (1065, 263648), (1070, 262416), (1120, 250701), (1136, 247170), (1155, 243104), (1177, 238560), (1232, 227910), (1284, 218680), (1320, 212716), (1420, 197736), (1491, 188320), (1498, 187440), (1540, 182328), (1562, 179760), (1605, 174944), (1680, 167134), (1704, 164780), (1712, 164010), (1760, 159537), (1848, 151940), (1988, 141240), (2130, 131824), (2140, 131208), (2247, 124960), (2272, 123585), (2310, 121552), (2343, 119840), (2354, 119280), (2464, 113955), (2485, 112992), (2568, 109340), (2640, 106358), (2840, 98868), (2982, 94160), (2996, 93720), (3080, 91164), (3124, 89880), (3210, 87472), (3360, 83567), (3408, 82390), (3424, 82005), (3531, 79520), (3696, 75970), (3745, 74976), (3905, 71904), (3976, 70620), (4260, 65912), (4280, 65604), (4494, 62480), (4620, 60776), (4686, 59920), (4708, 59640), (4970, 56496), (5136, 54670), (5280, 53179), (5467, 51360), (5680, 49434), (5885, 47712), (5964, 47080), (5992, 46860), (6160, 45582), (6248, 44940), (6420, 43736), (6816, 41195), (7062, 39760), (7392, 37985), (7455, 37664), (7490, 37488), (7597, 36960), (7810, 35952), (7952, 35310), (8239, 34080), (8520, 32956), (8560, 32802), (8988, 31240), (9240, 30388), (9372, 29960), (9416, 29820), (9940, 28248), (10272, 27335), (10934, 25680), (11235, 24992), (11360, 24717), (11715, 23968), (11770, 23856), (11928, 23540), (11984, 23430), (12320, 22791), (12496, 22470), (12840, 21868), (14124, 19880), (14910, 18832), (14980, 18744), (15194, 18480), (15620, 17976), (15904, 17655), (16401, 17120), (16478, 17040)]