661578240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{86143}}^1$

素因数の和:86169

約数の個数: 80

約数和(自身を含む): 2115007488

約数和(自身を除く): 1453429248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 86143, 172286, 258429, 344572, 430715, 516858, 689144, 861430, 1033716, 1292145, 1378288, 1722860, 2067432, 2584290, 2756576, 3445720, 4134864, 5168580, 5513152, 6891440, 8269728, 10337160, 11026304, 13782880, 16539456, 20674320, 22052608, 27565760, 33078912, 41348640, 44105216, 55131520, 66157824, 82697280, 110263040, 132315648, 165394560, 220526080, 330789120, 661578240]

約数ペア:

[(1, 661578240), (2, 330789120), (3, 220526080), (4, 165394560), (5, 132315648), (6, 110263040), (8, 82697280), (10, 66157824), (12, 55131520), (15, 44105216), (16, 41348640), (20, 33078912), (24, 27565760), (30, 22052608), (32, 20674320), (40, 16539456), (48, 13782880), (60, 11026304), (64, 10337160), (80, 8269728), (96, 6891440), (120, 5513152), (128, 5168580), (160, 4134864), (192, 3445720), (240, 2756576), (256, 2584290), (320, 2067432), (384, 1722860), (480, 1378288), (512, 1292145), (640, 1033716), (768, 861430), (960, 689144), (1280, 516858), (1536, 430715), (1920, 344572), (2560, 258429), (3840, 172286), (7680, 86143)]