640149156

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{85903}}^1$

素因数の和:85942

約数の個数: 60

約数和(自身を含む): 1746256512

約数和(自身を除く): 1106107356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 3726, 7452, 85903, 171806, 257709, 343612, 515418, 773127, 1030836, 1546254, 1975769, 2319381, 3092508, 3951538, 4638762, 5927307, 6958143, 7903076, 9277524, 11854614, 13916286, 17781921, 23709228, 27832572, 35563842, 53345763, 71127684, 106691526, 160037289, 213383052, 320074578, 640149156]

約数ペア:

[(1, 640149156), (2, 320074578), (3, 213383052), (4, 160037289), (6, 106691526), (9, 71127684), (12, 53345763), (18, 35563842), (23, 27832572), (27, 23709228), (36, 17781921), (46, 13916286), (54, 11854614), (69, 9277524), (81, 7903076), (92, 6958143), (108, 5927307), (138, 4638762), (162, 3951538), (207, 3092508), (276, 2319381), (324, 1975769), (414, 1546254), (621, 1030836), (828, 773127), (1242, 515418), (1863, 343612), (2484, 257709), (3726, 171806), (7452, 85903)]