311023360

素因数分解:

$2^8\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1259}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 749453040

約数和(自身を除く): 438429680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 640, 772, 965, 1259, 1280, 1544, 1930, 2518, 3088, 3860, 5036, 6176, 6295, 7720, 10072, 12352, 12590, 15440, 20144, 24704, 25180, 30880, 40288, 49408, 50360, 61760, 80576, 100720, 123520, 161152, 201440, 242987, 247040, 322304, 402880, 485974, 805760, 971948, 1214935, 1611520, 1943896, 2429870, 3887792, 4859740, 7775584, 9719480, 15551168, 19438960, 31102336, 38877920, 62204672, 77755840, 155511680, 311023360]

約数ペア:

[(1, 311023360), (2, 155511680), (4, 77755840), (5, 62204672), (8, 38877920), (10, 31102336), (16, 19438960), (20, 15551168), (32, 9719480), (40, 7775584), (64, 4859740), (80, 3887792), (128, 2429870), (160, 1943896), (193, 1611520), (256, 1214935), (320, 971948), (386, 805760), (640, 485974), (772, 402880), (965, 322304), (1259, 247040), (1280, 242987), (1544, 201440), (1930, 161152), (2518, 123520), (3088, 100720), (3860, 80576), (5036, 61760), (6176, 50360), (6295, 49408), (7720, 40288), (10072, 30880), (12352, 25180), (12590, 24704), (15440, 20144)]