90874840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 248002560

約数和(自身を除く): 157127720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 103, 115, 137, 140, 161, 184, 206, 230, 274, 280, 322, 412, 460, 515, 548, 644, 685, 721, 805, 824, 920, 959, 1030, 1096, 1288, 1370, 1442, 1610, 1918, 2060, 2369, 2740, 2884, 3151, 3220, 3605, 3836, 4120, 4738, 4795, 5480, 5768, 6302, 6440, 7210, 7672, 9476, 9590, 11845, 12604, 14111, 14420, 15755, 16583, 18952, 19180, 22057, 23690, 25208, 28222, 28840, 31510, 33166, 38360, 44114, 47380, 56444, 63020, 66332, 70555, 82915, 88228, 94760, 98777, 110285, 112888, 126040, 132664, 141110, 165830, 176456, 197554, 220570, 282220, 324553, 331660, 395108, 441140, 493885, 564440, 649106, 663320, 790216, 882280, 987770, 1298212, 1622765, 1975540, 2271871, 2596424, 3245530, 3951080, 4543742, 6491060, 9087484, 11359355, 12982120, 18174968, 22718710, 45437420, 90874840]

約数ペア:

[(1, 90874840), (2, 45437420), (4, 22718710), (5, 18174968), (7, 12982120), (8, 11359355), (10, 9087484), (14, 6491060), (20, 4543742), (23, 3951080), (28, 3245530), (35, 2596424), (40, 2271871), (46, 1975540), (56, 1622765), (70, 1298212), (92, 987770), (103, 882280), (115, 790216), (137, 663320), (140, 649106), (161, 564440), (184, 493885), (206, 441140), (230, 395108), (274, 331660), (280, 324553), (322, 282220), (412, 220570), (460, 197554), (515, 176456), (548, 165830), (644, 141110), (685, 132664), (721, 126040), (805, 112888), (824, 110285), (920, 98777), (959, 94760), (1030, 88228), (1096, 82915), (1288, 70555), (1370, 66332), (1442, 63020), (1610, 56444), (1918, 47380), (2060, 44114), (2369, 38360), (2740, 33166), (2884, 31510), (3151, 28840), (3220, 28222), (3605, 25208), (3836, 23690), (4120, 22057), (4738, 19180), (4795, 18952), (5480, 16583), (5768, 15755), (6302, 14420), (6440, 14111), (7210, 12604), (7672, 11845), (9476, 9590)]