399194640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42649}}^1$

素因数の和:42681

約数の個数: 120

約数和(自身を含む): 1443787800

約数和(自身を除く): 1044593160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 42649, 85298, 127947, 170596, 213245, 255894, 341192, 383841, 426490, 511788, 554437, 639735, 682384, 767682, 852980, 1023576, 1108874, 1279470, 1535364, 1663311, 1705960, 1919205, 2047152, 2217748, 2558940, 2772185, 3070728, 3326622, 3411920, 3838410, 4435496, 4989933, 5117880, 5544370, 6141456, 6653244, 7676820, 8316555, 8870992, 9979866, 10235760, 11088740, 13306488, 15353640, 16633110, 19959732, 22177480, 24949665, 26612976, 30707280, 33266220, 39919464, 44354960, 49899330, 66532440, 79838928, 99798660, 133064880, 199597320, 399194640]

約数ペア:

[(1, 399194640), (2, 199597320), (3, 133064880), (4, 99798660), (5, 79838928), (6, 66532440), (8, 49899330), (9, 44354960), (10, 39919464), (12, 33266220), (13, 30707280), (15, 26612976), (16, 24949665), (18, 22177480), (20, 19959732), (24, 16633110), (26, 15353640), (30, 13306488), (36, 11088740), (39, 10235760), (40, 9979866), (45, 8870992), (48, 8316555), (52, 7676820), (60, 6653244), (65, 6141456), (72, 5544370), (78, 5117880), (80, 4989933), (90, 4435496), (104, 3838410), (117, 3411920), (120, 3326622), (130, 3070728), (144, 2772185), (156, 2558940), (180, 2217748), (195, 2047152), (208, 1919205), (234, 1705960), (240, 1663311), (260, 1535364), (312, 1279470), (360, 1108874), (390, 1023576), (468, 852980), (520, 767682), (585, 682384), (624, 639735), (720, 554437), (780, 511788), (936, 426490), (1040, 383841), (1170, 341192), (1560, 255894), (1872, 213245), (2340, 170596), (3120, 127947), (4680, 85298), (9360, 42649)]