123185920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 347169312

約数和(自身を除く): 223983392

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 520, 572, 640, 673, 704, 715, 832, 880, 1040, 1144, 1280, 1346, 1408, 1430, 1664, 1760, 2080, 2288, 2692, 2816, 2860, 3328, 3365, 3520, 4160, 4576, 5384, 5720, 6730, 7040, 7403, 8320, 8749, 9152, 10768, 11440, 13460, 14080, 14806, 16640, 17498, 18304, 21536, 22880, 26920, 29612, 34996, 36608, 37015, 43072, 43745, 45760, 53840, 59224, 69992, 74030, 86144, 87490, 91520, 96239, 107680, 118448, 139984, 148060, 172288, 174980, 183040, 192478, 215360, 236896, 279968, 296120, 349960, 384956, 430720, 473792, 481195, 559936, 592240, 699920, 769912, 861440, 947584, 962390, 1119872, 1184480, 1399840, 1539824, 1895168, 1924780, 2239744, 2368960, 2799680, 3079648, 3849560, 4737920, 5599360, 6159296, 7699120, 9475840, 11198720, 12318592, 15398240, 24637184, 30796480, 61592960, 123185920]

約数ペア:

[(1, 123185920), (2, 61592960), (4, 30796480), (5, 24637184), (8, 15398240), (10, 12318592), (11, 11198720), (13, 9475840), (16, 7699120), (20, 6159296), (22, 5599360), (26, 4737920), (32, 3849560), (40, 3079648), (44, 2799680), (52, 2368960), (55, 2239744), (64, 1924780), (65, 1895168), (80, 1539824), (88, 1399840), (104, 1184480), (110, 1119872), (128, 962390), (130, 947584), (143, 861440), (160, 769912), (176, 699920), (208, 592240), (220, 559936), (256, 481195), (260, 473792), (286, 430720), (320, 384956), (352, 349960), (416, 296120), (440, 279968), (520, 236896), (572, 215360), (640, 192478), (673, 183040), (704, 174980), (715, 172288), (832, 148060), (880, 139984), (1040, 118448), (1144, 107680), (1280, 96239), (1346, 91520), (1408, 87490), (1430, 86144), (1664, 74030), (1760, 69992), (2080, 59224), (2288, 53840), (2692, 45760), (2816, 43745), (2860, 43072), (3328, 37015), (3365, 36608), (3520, 34996), (4160, 29612), (4576, 26920), (5384, 22880), (5720, 21536), (6730, 18304), (7040, 17498), (7403, 16640), (8320, 14806), (8749, 14080), (9152, 13460), (10768, 11440)]