65877980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 169344000

約数和(自身を除く): 103466020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 205, 230, 287, 322, 410, 460, 499, 574, 644, 805, 820, 943, 998, 1148, 1435, 1610, 1886, 1996, 2495, 2870, 3220, 3493, 3772, 4715, 4990, 5740, 6601, 6986, 9430, 9980, 11477, 13202, 13972, 17465, 18860, 20459, 22954, 26404, 33005, 34930, 40918, 45908, 57385, 66010, 69860, 80339, 81836, 102295, 114770, 132020, 143213, 160678, 204590, 229540, 286426, 321356, 401695, 409180, 470557, 572852, 716065, 803390, 941114, 1432130, 1606780, 1882228, 2352785, 2864260, 3293899, 4705570, 6587798, 9411140, 13175596, 16469495, 32938990, 65877980]

約数ペア:

[(1, 65877980), (2, 32938990), (4, 16469495), (5, 13175596), (7, 9411140), (10, 6587798), (14, 4705570), (20, 3293899), (23, 2864260), (28, 2352785), (35, 1882228), (41, 1606780), (46, 1432130), (70, 941114), (82, 803390), (92, 716065), (115, 572852), (140, 470557), (161, 409180), (164, 401695), (205, 321356), (230, 286426), (287, 229540), (322, 204590), (410, 160678), (460, 143213), (499, 132020), (574, 114770), (644, 102295), (805, 81836), (820, 80339), (943, 69860), (998, 66010), (1148, 57385), (1435, 45908), (1610, 40918), (1886, 34930), (1996, 33005), (2495, 26404), (2870, 22954), (3220, 20459), (3493, 18860), (3772, 17465), (4715, 13972), (4990, 13202), (5740, 11477), (6601, 9980), (6986, 9430)]