320731920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1789}}^1$

素因数の和:1894

約数の個数: 160

約数和(自身を含む): 1118678400

約数和(自身を除く): 797946480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 498, 540, 664, 720, 747, 830, 996, 1080, 1245, 1328, 1494, 1660, 1789, 1992, 2160, 2241, 2490, 2988, 3320, 3578, 3735, 3984, 4482, 4980, 5367, 5976, 6640, 7156, 7470, 8945, 8964, 9960, 10734, 11205, 11952, 14312, 14940, 16101, 17890, 17928, 19920, 21468, 22410, 26835, 28624, 29880, 32202, 35780, 35856, 42936, 44820, 48303, 53670, 59760, 64404, 71560, 80505, 85872, 89640, 96606, 107340, 128808, 143120, 148487, 161010, 179280, 193212, 214680, 241515, 257616, 296974, 322020, 386424, 429360, 445461, 483030, 593948, 644040, 742435, 772848, 890922, 966060, 1187896, 1288080, 1336383, 1484870, 1781844, 1932120, 2227305, 2375792, 2672766, 2969740, 3563688, 3864240, 4009149, 4454610, 5345532, 5939480, 6681915, 7127376, 8018298, 8909220, 10691064, 11878960, 13363830, 16036596, 17818440, 20045745, 21382128, 26727660, 32073192, 35636880, 40091490, 53455320, 64146384, 80182980, 106910640, 160365960, 320731920]

約数ペア:

[(1, 320731920), (2, 160365960), (3, 106910640), (4, 80182980), (5, 64146384), (6, 53455320), (8, 40091490), (9, 35636880), (10, 32073192), (12, 26727660), (15, 21382128), (16, 20045745), (18, 17818440), (20, 16036596), (24, 13363830), (27, 11878960), (30, 10691064), (36, 8909220), (40, 8018298), (45, 7127376), (48, 6681915), (54, 5939480), (60, 5345532), (72, 4454610), (80, 4009149), (83, 3864240), (90, 3563688), (108, 2969740), (120, 2672766), (135, 2375792), (144, 2227305), (166, 1932120), (180, 1781844), (216, 1484870), (240, 1336383), (249, 1288080), (270, 1187896), (332, 966060), (360, 890922), (415, 772848), (432, 742435), (498, 644040), (540, 593948), (664, 483030), (720, 445461), (747, 429360), (830, 386424), (996, 322020), (1080, 296974), (1245, 257616), (1328, 241515), (1494, 214680), (1660, 193212), (1789, 179280), (1992, 161010), (2160, 148487), (2241, 143120), (2490, 128808), (2988, 107340), (3320, 96606), (3578, 89640), (3735, 85872), (3984, 80505), (4482, 71560), (4980, 64404), (5367, 59760), (5976, 53670), (6640, 48303), (7156, 44820), (7470, 42936), (8945, 35856), (8964, 35780), (9960, 32202), (10734, 29880), (11205, 28624), (11952, 26835), (14312, 22410), (14940, 21468), (16101, 19920), (17890, 17928)]