128371248

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 375273600

約数和(自身を除く): 246902352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 149, 186, 193, 248, 279, 298, 372, 386, 447, 496, 558, 579, 596, 744, 772, 894, 1116, 1158, 1192, 1341, 1488, 1544, 1737, 1788, 2232, 2316, 2384, 2682, 3088, 3474, 3576, 4464, 4619, 4632, 5364, 5983, 6948, 7152, 9238, 9264, 10728, 11966, 13857, 13896, 17949, 18476, 21456, 23932, 27714, 27792, 28757, 35898, 36952, 41571, 47864, 53847, 55428, 57514, 71796, 73904, 83142, 86271, 95728, 107694, 110856, 115028, 143592, 166284, 172542, 215388, 221712, 230056, 258813, 287184, 332568, 345084, 430776, 460112, 517626, 665136, 690168, 861552, 891467, 1035252, 1380336, 1782934, 2070504, 2674401, 3565868, 4141008, 5348802, 7131736, 8023203, 10697604, 14263472, 16046406, 21395208, 32092812, 42790416, 64185624, 128371248]

約数ペア:

[(1, 128371248), (2, 64185624), (3, 42790416), (4, 32092812), (6, 21395208), (8, 16046406), (9, 14263472), (12, 10697604), (16, 8023203), (18, 7131736), (24, 5348802), (31, 4141008), (36, 3565868), (48, 2674401), (62, 2070504), (72, 1782934), (93, 1380336), (124, 1035252), (144, 891467), (149, 861552), (186, 690168), (193, 665136), (248, 517626), (279, 460112), (298, 430776), (372, 345084), (386, 332568), (447, 287184), (496, 258813), (558, 230056), (579, 221712), (596, 215388), (744, 172542), (772, 166284), (894, 143592), (1116, 115028), (1158, 110856), (1192, 107694), (1341, 95728), (1488, 86271), (1544, 83142), (1737, 73904), (1788, 71796), (2232, 57514), (2316, 55428), (2384, 53847), (2682, 47864), (3088, 41571), (3474, 36952), (3576, 35898), (4464, 28757), (4619, 27792), (4632, 27714), (5364, 23932), (5983, 21456), (6948, 18476), (7152, 17949), (9238, 13896), (9264, 13857), (10728, 11966)]