81483840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{9431}}^1$

素因数の和:9457

約数の個数: 112

約数和(自身を含む): 287487360

約数和(自身を除く): 206003520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 9431, 18862, 28293, 37724, 47155, 56586, 75448, 84879, 94310, 113172, 141465, 150896, 169758, 188620, 226344, 254637, 282930, 301792, 339516, 377240, 424395, 452688, 509274, 565860, 603584, 679032, 754480, 848790, 905376, 1018548, 1131720, 1273185, 1358064, 1508960, 1697580, 1810752, 2037096, 2263440, 2546370, 2716128, 3017920, 3395160, 4074192, 4526880, 5092740, 5432256, 6790320, 8148384, 9053760, 10185480, 13580640, 16296768, 20370960, 27161280, 40741920, 81483840]

約数ペア:

[(1, 81483840), (2, 40741920), (3, 27161280), (4, 20370960), (5, 16296768), (6, 13580640), (8, 10185480), (9, 9053760), (10, 8148384), (12, 6790320), (15, 5432256), (16, 5092740), (18, 4526880), (20, 4074192), (24, 3395160), (27, 3017920), (30, 2716128), (32, 2546370), (36, 2263440), (40, 2037096), (45, 1810752), (48, 1697580), (54, 1508960), (60, 1358064), (64, 1273185), (72, 1131720), (80, 1018548), (90, 905376), (96, 848790), (108, 754480), (120, 679032), (135, 603584), (144, 565860), (160, 509274), (180, 452688), (192, 424395), (216, 377240), (240, 339516), (270, 301792), (288, 282930), (320, 254637), (360, 226344), (432, 188620), (480, 169758), (540, 150896), (576, 141465), (720, 113172), (864, 94310), (960, 84879), (1080, 75448), (1440, 56586), (1728, 47155), (2160, 37724), (2880, 28293), (4320, 18862), (8640, 9431)]