80912880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1159

約数の個数: 120

約数和(自身を含む): 274491360

約数和(自身を除く): 193578480

約数列:

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

約数ペア:

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