142845640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 393361920

約数和(自身を除く): 250516280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 280, 287, 322, 328, 410, 460, 541, 574, 644, 805, 820, 920, 943, 1082, 1148, 1288, 1435, 1610, 1640, 1886, 2164, 2296, 2705, 2870, 3220, 3772, 3787, 4328, 4715, 5410, 5740, 6440, 6601, 7544, 7574, 9430, 10820, 11480, 12443, 13202, 15148, 18860, 18935, 21640, 22181, 24886, 26404, 30296, 33005, 37720, 37870, 44362, 49772, 52808, 62215, 66010, 75740, 87101, 88724, 99544, 110905, 124430, 132020, 151480, 155267, 174202, 177448, 221810, 248860, 264040, 310534, 348404, 435505, 443620, 497720, 510163, 621068, 696808, 776335, 871010, 887240, 1020326, 1242136, 1552670, 1742020, 2040652, 2550815, 3105340, 3484040, 3571141, 4081304, 5101630, 6210680, 7142282, 10203260, 14284564, 17855705, 20406520, 28569128, 35711410, 71422820, 142845640]

約数ペア:

[(1, 142845640), (2, 71422820), (4, 35711410), (5, 28569128), (7, 20406520), (8, 17855705), (10, 14284564), (14, 10203260), (20, 7142282), (23, 6210680), (28, 5101630), (35, 4081304), (40, 3571141), (41, 3484040), (46, 3105340), (56, 2550815), (70, 2040652), (82, 1742020), (92, 1552670), (115, 1242136), (140, 1020326), (161, 887240), (164, 871010), (184, 776335), (205, 696808), (230, 621068), (280, 510163), (287, 497720), (322, 443620), (328, 435505), (410, 348404), (460, 310534), (541, 264040), (574, 248860), (644, 221810), (805, 177448), (820, 174202), (920, 155267), (943, 151480), (1082, 132020), (1148, 124430), (1288, 110905), (1435, 99544), (1610, 88724), (1640, 87101), (1886, 75740), (2164, 66010), (2296, 62215), (2705, 52808), (2870, 49772), (3220, 44362), (3772, 37870), (3787, 37720), (4328, 33005), (4715, 30296), (5410, 26404), (5740, 24886), (6440, 22181), (6601, 21640), (7544, 18935), (7574, 18860), (9430, 15148), (10820, 13202), (11480, 12443)]