181007120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1229}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 483183360

約数和(自身を除く): 302176240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 1052, 1229, 1315, 1841, 2104, 2458, 2630, 3682, 4208, 4916, 5260, 6145, 7364, 8603, 9205, 9832, 10520, 12290, 14728, 17206, 18410, 19664, 21040, 24580, 29456, 34412, 36820, 43015, 49160, 68824, 73640, 86030, 98320, 137648, 147280, 172060, 323227, 344120, 646454, 688240, 1292908, 1616135, 2262589, 2585816, 3232270, 4525178, 5171632, 6464540, 9050356, 11312945, 12929080, 18100712, 22625890, 25858160, 36201424, 45251780, 90503560, 181007120]

約数ペア:

[(1, 181007120), (2, 90503560), (4, 45251780), (5, 36201424), (7, 25858160), (8, 22625890), (10, 18100712), (14, 12929080), (16, 11312945), (20, 9050356), (28, 6464540), (35, 5171632), (40, 4525178), (56, 3232270), (70, 2585816), (80, 2262589), (112, 1616135), (140, 1292908), (263, 688240), (280, 646454), (526, 344120), (560, 323227), (1052, 172060), (1229, 147280), (1315, 137648), (1841, 98320), (2104, 86030), (2458, 73640), (2630, 68824), (3682, 49160), (4208, 43015), (4916, 36820), (5260, 34412), (6145, 29456), (7364, 24580), (8603, 21040), (9205, 19664), (9832, 18410), (10520, 17206), (12290, 14728)]