261623808

素因数分解:

$2^{12}\times 3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 156

約数和(自身を含む): 776899968

約数和(自身を除く): 515276160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 128, 141, 144, 151, 188, 192, 256, 282, 288, 302, 376, 384, 423, 453, 512, 564, 576, 604, 752, 768, 846, 906, 1024, 1128, 1152, 1208, 1359, 1504, 1536, 1692, 1812, 2048, 2256, 2304, 2416, 2718, 3008, 3072, 3384, 3624, 4096, 4512, 4608, 4832, 5436, 6016, 6144, 6768, 7097, 7248, 9024, 9216, 9664, 10872, 12032, 12288, 13536, 14194, 14496, 18048, 18432, 19328, 21291, 21744, 24064, 27072, 28388, 28992, 36096, 36864, 38656, 42582, 43488, 48128, 54144, 56776, 57984, 63873, 72192, 77312, 85164, 86976, 96256, 108288, 113552, 115968, 127746, 144384, 154624, 170328, 173952, 192512, 216576, 227104, 231936, 255492, 288768, 309248, 340656, 347904, 433152, 454208, 463872, 510984, 577536, 618496, 681312, 695808, 866304, 908416, 927744, 1021968, 1362624, 1391616, 1732608, 1816832, 1855488, 2043936, 2725248, 2783232, 3633664, 4087872, 5450496, 5566464, 7267328, 8175744, 10900992, 14534656, 16351488, 21801984, 29069312, 32702976, 43603968, 65405952, 87207936, 130811904, 261623808]

約数ペア:

[(1, 261623808), (2, 130811904), (3, 87207936), (4, 65405952), (6, 43603968), (8, 32702976), (9, 29069312), (12, 21801984), (16, 16351488), (18, 14534656), (24, 10900992), (32, 8175744), (36, 7267328), (47, 5566464), (48, 5450496), (64, 4087872), (72, 3633664), (94, 2783232), (96, 2725248), (128, 2043936), (141, 1855488), (144, 1816832), (151, 1732608), (188, 1391616), (192, 1362624), (256, 1021968), (282, 927744), (288, 908416), (302, 866304), (376, 695808), (384, 681312), (423, 618496), (453, 577536), (512, 510984), (564, 463872), (576, 454208), (604, 433152), (752, 347904), (768, 340656), (846, 309248), (906, 288768), (1024, 255492), (1128, 231936), (1152, 227104), (1208, 216576), (1359, 192512), (1504, 173952), (1536, 170328), (1692, 154624), (1812, 144384), (2048, 127746), (2256, 115968), (2304, 113552), (2416, 108288), (2718, 96256), (3008, 86976), (3072, 85164), (3384, 77312), (3624, 72192), (4096, 63873), (4512, 57984), (4608, 56776), (4832, 54144), (5436, 48128), (6016, 43488), (6144, 42582), (6768, 38656), (7097, 36864), (7248, 36096), (9024, 28992), (9216, 28388), (9664, 27072), (10872, 24064), (12032, 21744), (12288, 21291), (13536, 19328), (14194, 18432), (14496, 18048)]