81192960

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{881}}^1$

素因数の和:914

約数の個数: 144

約数和(自身を含む): 281719620

約数和(自身を除く): 200526660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 881, 960, 1024, 1152, 1280, 1440, 1536, 1762, 1920, 2048, 2304, 2560, 2643, 2880, 3072, 3524, 3840, 4405, 4608, 5120, 5286, 5760, 6144, 7048, 7680, 7929, 8810, 9216, 10240, 10572, 11520, 13215, 14096, 15360, 15858, 17620, 18432, 21144, 23040, 26430, 28192, 30720, 31716, 35240, 39645, 42288, 46080, 52860, 56384, 63432, 70480, 79290, 84576, 92160, 105720, 112768, 126864, 140960, 158580, 169152, 211440, 225536, 253728, 281920, 317160, 338304, 422880, 451072, 507456, 563840, 634320, 676608, 845760, 902144, 1014912, 1127680, 1268640, 1353216, 1691520, 1804288, 2029824, 2255360, 2537280, 2706432, 3383040, 4059648, 4510720, 5074560, 5412864, 6766080, 8119296, 9021440, 10149120, 13532160, 16238592, 20298240, 27064320, 40596480, 81192960]

約数ペア:

[(1, 81192960), (2, 40596480), (3, 27064320), (4, 20298240), (5, 16238592), (6, 13532160), (8, 10149120), (9, 9021440), (10, 8119296), (12, 6766080), (15, 5412864), (16, 5074560), (18, 4510720), (20, 4059648), (24, 3383040), (30, 2706432), (32, 2537280), (36, 2255360), (40, 2029824), (45, 1804288), (48, 1691520), (60, 1353216), (64, 1268640), (72, 1127680), (80, 1014912), (90, 902144), (96, 845760), (120, 676608), (128, 634320), (144, 563840), (160, 507456), (180, 451072), (192, 422880), (240, 338304), (256, 317160), (288, 281920), (320, 253728), (360, 225536), (384, 211440), (480, 169152), (512, 158580), (576, 140960), (640, 126864), (720, 112768), (768, 105720), (881, 92160), (960, 84576), (1024, 79290), (1152, 70480), (1280, 63432), (1440, 56384), (1536, 52860), (1762, 46080), (1920, 42288), (2048, 39645), (2304, 35240), (2560, 31716), (2643, 30720), (2880, 28192), (3072, 26430), (3524, 23040), (3840, 21144), (4405, 18432), (4608, 17620), (5120, 15858), (5286, 15360), (5760, 14096), (6144, 13215), (7048, 11520), (7680, 10572), (7929, 10240), (8810, 9216)]