491245440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{36551}}^1$

素因数の和:36580

約数の個数: 128

約数和(自身を含む): 1789585920

約数和(自身を除く): 1298340480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 36551, 73102, 109653, 146204, 182755, 219306, 255857, 292408, 365510, 438612, 511714, 548265, 584816, 731020, 767571, 877224, 1023428, 1096530, 1169632, 1279285, 1462040, 1535142, 1754448, 2046856, 2193060, 2339264, 2558570, 2924080, 3070284, 3508896, 3837855, 4093712, 4386120, 4678528, 5117140, 5848160, 6140568, 7017792, 7675710, 8187424, 8772240, 10234280, 11696320, 12281136, 14035584, 15351420, 16374848, 17544480, 20468560, 23392640, 24562272, 30702840, 32749696, 35088960, 40937120, 49124544, 61405680, 70177920, 81874240, 98249088, 122811360, 163748480, 245622720, 491245440]

約数ペア:

[(1, 491245440), (2, 245622720), (3, 163748480), (4, 122811360), (5, 98249088), (6, 81874240), (7, 70177920), (8, 61405680), (10, 49124544), (12, 40937120), (14, 35088960), (15, 32749696), (16, 30702840), (20, 24562272), (21, 23392640), (24, 20468560), (28, 17544480), (30, 16374848), (32, 15351420), (35, 14035584), (40, 12281136), (42, 11696320), (48, 10234280), (56, 8772240), (60, 8187424), (64, 7675710), (70, 7017792), (80, 6140568), (84, 5848160), (96, 5117140), (105, 4678528), (112, 4386120), (120, 4093712), (128, 3837855), (140, 3508896), (160, 3070284), (168, 2924080), (192, 2558570), (210, 2339264), (224, 2193060), (240, 2046856), (280, 1754448), (320, 1535142), (336, 1462040), (384, 1279285), (420, 1169632), (448, 1096530), (480, 1023428), (560, 877224), (640, 767571), (672, 731020), (840, 584816), (896, 548265), (960, 511714), (1120, 438612), (1344, 365510), (1680, 292408), (1920, 255857), (2240, 219306), (2688, 182755), (3360, 146204), (4480, 109653), (6720, 73102), (13440, 36551)]