78685920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1105

約数の個数: 144

約数和(自身を含む): 273847392

約数和(自身を除く): 195161472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1031, 1060, 1272, 1440, 1590, 1696, 1908, 2062, 2120, 2385, 2544, 3093, 3180, 3816, 4124, 4240, 4770, 5088, 5155, 6186, 6360, 7632, 8248, 8480, 9279, 9540, 10310, 12372, 12720, 15264, 15465, 16496, 18558, 19080, 20620, 24744, 25440, 30930, 32992, 37116, 38160, 41240, 46395, 49488, 54643, 61860, 74232, 76320, 82480, 92790, 98976, 109286, 123720, 148464, 163929, 164960, 185580, 218572, 247440, 273215, 296928, 327858, 371160, 437144, 491787, 494880, 546430, 655716, 742320, 819645, 874288, 983574, 1092860, 1311432, 1484640, 1639290, 1748576, 1967148, 2185720, 2458935, 2622864, 3278580, 3934296, 4371440, 4917870, 5245728, 6557160, 7868592, 8742880, 9835740, 13114320, 15737184, 19671480, 26228640, 39342960, 78685920]

約数ペア:

[(1, 78685920), (2, 39342960), (3, 26228640), (4, 19671480), (5, 15737184), (6, 13114320), (8, 9835740), (9, 8742880), (10, 7868592), (12, 6557160), (15, 5245728), (16, 4917870), (18, 4371440), (20, 3934296), (24, 3278580), (30, 2622864), (32, 2458935), (36, 2185720), (40, 1967148), (45, 1748576), (48, 1639290), (53, 1484640), (60, 1311432), (72, 1092860), (80, 983574), (90, 874288), (96, 819645), (106, 742320), (120, 655716), (144, 546430), (159, 494880), (160, 491787), (180, 437144), (212, 371160), (240, 327858), (265, 296928), (288, 273215), (318, 247440), (360, 218572), (424, 185580), (477, 164960), (480, 163929), (530, 148464), (636, 123720), (720, 109286), (795, 98976), (848, 92790), (954, 82480), (1031, 76320), (1060, 74232), (1272, 61860), (1440, 54643), (1590, 49488), (1696, 46395), (1908, 41240), (2062, 38160), (2120, 37116), (2385, 32992), (2544, 30930), (3093, 25440), (3180, 24744), (3816, 20620), (4124, 19080), (4240, 18558), (4770, 16496), (5088, 15465), (5155, 15264), (6186, 12720), (6360, 12372), (7632, 10310), (8248, 9540), (8480, 9279)]