123531520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 358501248

約数和(自身を除く): 234969728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 811, 896, 952, 1088, 1120, 1190, 1280, 1360, 1622, 1792, 1904, 2176, 2240, 2380, 2720, 3244, 3808, 4055, 4352, 4480, 4760, 5440, 5677, 6488, 7616, 8110, 8960, 9520, 10880, 11354, 12976, 13787, 15232, 16220, 19040, 21760, 22708, 25952, 27574, 28385, 30464, 32440, 38080, 45416, 51904, 55148, 56770, 64880, 68935, 76160, 90832, 96509, 103808, 110296, 113540, 129760, 137870, 152320, 181664, 193018, 207616, 220592, 227080, 259520, 275740, 363328, 386036, 441184, 454160, 482545, 519040, 551480, 726656, 772072, 882368, 908320, 965090, 1038080, 1102960, 1453312, 1544144, 1764736, 1816640, 1930180, 2205920, 3088288, 3529472, 3633280, 3860360, 4411840, 6176576, 7266560, 7720720, 8823680, 12353152, 15441440, 17647360, 24706304, 30882880, 61765760, 123531520]

約数ペア:

[(1, 123531520), (2, 61765760), (4, 30882880), (5, 24706304), (7, 17647360), (8, 15441440), (10, 12353152), (14, 8823680), (16, 7720720), (17, 7266560), (20, 6176576), (28, 4411840), (32, 3860360), (34, 3633280), (35, 3529472), (40, 3088288), (56, 2205920), (64, 1930180), (68, 1816640), (70, 1764736), (80, 1544144), (85, 1453312), (112, 1102960), (119, 1038080), (128, 965090), (136, 908320), (140, 882368), (160, 772072), (170, 726656), (224, 551480), (238, 519040), (256, 482545), (272, 454160), (280, 441184), (320, 386036), (340, 363328), (448, 275740), (476, 259520), (544, 227080), (560, 220592), (595, 207616), (640, 193018), (680, 181664), (811, 152320), (896, 137870), (952, 129760), (1088, 113540), (1120, 110296), (1190, 103808), (1280, 96509), (1360, 90832), (1622, 76160), (1792, 68935), (1904, 64880), (2176, 56770), (2240, 55148), (2380, 51904), (2720, 45416), (3244, 38080), (3808, 32440), (4055, 30464), (4352, 28385), (4480, 27574), (4760, 25952), (5440, 22708), (5677, 21760), (6488, 19040), (7616, 16220), (8110, 15232), (8960, 13787), (9520, 12976), (10880, 11354)]