290720640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:349

約数の個数: 256

約数和(自身を含む): 1074769920

約数和(自身を除く): 784049280

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, 56, 60, 64, 70, 80, 84, 96, 97, 105, 112, 120, 128, 140, 160, 168, 192, 194, 210, 223, 224, 240, 280, 291, 320, 336, 384, 388, 420, 446, 448, 480, 485, 560, 582, 640, 669, 672, 679, 776, 840, 892, 896, 960, 970, 1115, 1120, 1164, 1338, 1344, 1358, 1455, 1552, 1561, 1680, 1784, 1920, 1940, 2037, 2230, 2240, 2328, 2676, 2688, 2716, 2910, 3104, 3122, 3345, 3360, 3395, 3568, 3880, 4074, 4460, 4480, 4656, 4683, 5352, 5432, 5820, 6208, 6244, 6690, 6720, 6790, 7136, 7760, 7805, 8148, 8920, 9312, 9366, 10185, 10704, 10864, 11640, 12416, 12488, 13380, 13440, 13580, 14272, 15520, 15610, 16296, 17840, 18624, 18732, 20370, 21408, 21631, 21728, 23280, 23415, 24976, 26760, 27160, 28544, 31040, 31220, 32592, 35680, 37248, 37464, 40740, 42816, 43262, 43456, 46560, 46830, 49952, 53520, 54320, 62080, 62440, 64893, 65184, 71360, 74928, 81480, 85632, 86524, 86912, 93120, 93660, 99904, 107040, 108155, 108640, 124880, 129786, 130368, 142720, 149856, 151417, 162960, 173048, 186240, 187320, 199808, 214080, 216310, 217280, 249760, 259572, 260736, 299712, 302834, 324465, 325920, 346096, 374640, 428160, 432620, 434560, 454251, 499520, 519144, 599424, 605668, 648930, 651840, 692192, 749280, 757085, 865240, 908502, 999040, 1038288, 1211336, 1297860, 1303680, 1384384, 1498560, 1514170, 1730480, 1817004, 2076576, 2271255, 2422672, 2595720, 2768768, 2997120, 3028340, 3460960, 3634008, 4153152, 4542510, 4845344, 5191440, 6056680, 6921920, 7268016, 8306304, 9085020, 9690688, 10382880, 12113360, 13843840, 14536032, 18170040, 19381376, 20765760, 24226720, 29072064, 36340080, 41531520, 48453440, 58144128, 72680160, 96906880, 145360320, 290720640]

約数ペア:

[(1, 290720640), (2, 145360320), (3, 96906880), (4, 72680160), (5, 58144128), (6, 48453440), (7, 41531520), (8, 36340080), (10, 29072064), (12, 24226720), (14, 20765760), (15, 19381376), (16, 18170040), (20, 14536032), (21, 13843840), (24, 12113360), (28, 10382880), (30, 9690688), (32, 9085020), (35, 8306304), (40, 7268016), (42, 6921920), (48, 6056680), (56, 5191440), (60, 4845344), (64, 4542510), (70, 4153152), (80, 3634008), (84, 3460960), (96, 3028340), (97, 2997120), (105, 2768768), (112, 2595720), (120, 2422672), (128, 2271255), (140, 2076576), (160, 1817004), (168, 1730480), (192, 1514170), (194, 1498560), (210, 1384384), (223, 1303680), (224, 1297860), (240, 1211336), (280, 1038288), (291, 999040), (320, 908502), (336, 865240), (384, 757085), (388, 749280), (420, 692192), (446, 651840), (448, 648930), (480, 605668), (485, 599424), (560, 519144), (582, 499520), (640, 454251), (669, 434560), (672, 432620), (679, 428160), (776, 374640), (840, 346096), (892, 325920), (896, 324465), (960, 302834), (970, 299712), (1115, 260736), (1120, 259572), (1164, 249760), (1338, 217280), (1344, 216310), (1358, 214080), (1455, 199808), (1552, 187320), (1561, 186240), (1680, 173048), (1784, 162960), (1920, 151417), (1940, 149856), (2037, 142720), (2230, 130368), (2240, 129786), (2328, 124880), (2676, 108640), (2688, 108155), (2716, 107040), (2910, 99904), (3104, 93660), (3122, 93120), (3345, 86912), (3360, 86524), (3395, 85632), (3568, 81480), (3880, 74928), (4074, 71360), (4460, 65184), (4480, 64893), (4656, 62440), (4683, 62080), (5352, 54320), (5432, 53520), (5820, 49952), (6208, 46830), (6244, 46560), (6690, 43456), (6720, 43262), (6790, 42816), (7136, 40740), (7760, 37464), (7805, 37248), (8148, 35680), (8920, 32592), (9312, 31220), (9366, 31040), (10185, 28544), (10704, 27160), (10864, 26760), (11640, 24976), (12416, 23415), (12488, 23280), (13380, 21728), (13440, 21631), (13580, 21408), (14272, 20370), (15520, 18732), (15610, 18624), (16296, 17840)]