161825760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1161

約数の個数: 144

約数和(自身を含む): 557837280

約数和(自身を除く): 396011520

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, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1031, 1090, 1308, 1440, 1635, 1744, 1962, 2062, 2180, 2616, 3093, 3270, 3488, 3924, 4124, 4360, 4905, 5155, 5232, 6186, 6540, 7848, 8248, 8720, 9279, 9810, 10310, 10464, 12372, 13080, 15465, 15696, 16496, 17440, 18558, 19620, 20620, 24744, 26160, 30930, 31392, 32992, 37116, 39240, 41240, 46395, 49488, 52320, 61860, 74232, 78480, 82480, 92790, 98976, 112379, 123720, 148464, 156960, 164960, 185580, 224758, 247440, 296928, 337137, 371160, 449516, 494880, 561895, 674274, 742320, 899032, 1011411, 1123790, 1348548, 1484640, 1685685, 1798064, 2022822, 2247580, 2697096, 3371370, 3596128, 4045644, 4495160, 5057055, 5394192, 6742740, 8091288, 8990320, 10114110, 10788384, 13485480, 16182576, 17980640, 20228220, 26970960, 32365152, 40456440, 53941920, 80912880, 161825760]

約数ペア:

[(1, 161825760), (2, 80912880), (3, 53941920), (4, 40456440), (5, 32365152), (6, 26970960), (8, 20228220), (9, 17980640), (10, 16182576), (12, 13485480), (15, 10788384), (16, 10114110), (18, 8990320), (20, 8091288), (24, 6742740), (30, 5394192), (32, 5057055), (36, 4495160), (40, 4045644), (45, 3596128), (48, 3371370), (60, 2697096), (72, 2247580), (80, 2022822), (90, 1798064), (96, 1685685), (109, 1484640), (120, 1348548), (144, 1123790), (160, 1011411), (180, 899032), (218, 742320), (240, 674274), (288, 561895), (327, 494880), (360, 449516), (436, 371160), (480, 337137), (545, 296928), (654, 247440), (720, 224758), (872, 185580), (981, 164960), (1031, 156960), (1090, 148464), (1308, 123720), (1440, 112379), (1635, 98976), (1744, 92790), (1962, 82480), (2062, 78480), (2180, 74232), (2616, 61860), (3093, 52320), (3270, 49488), (3488, 46395), (3924, 41240), (4124, 39240), (4360, 37116), (4905, 32992), (5155, 31392), (5232, 30930), (6186, 26160), (6540, 24744), (7848, 20620), (8248, 19620), (8720, 18558), (9279, 17440), (9810, 16496), (10310, 15696), (10464, 15465), (12372, 13080)]