2145690

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{883}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 5791968

約数和(自身を除く): 3646278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 883, 1215, 1766, 2430, 2649, 4415, 5298, 7947, 8830, 13245, 15894, 23841, 26490, 39735, 47682, 71523, 79470, 119205, 143046, 214569, 238410, 357615, 429138, 715230, 1072845, 2145690]

約数ペア:

[(1, 2145690), (2, 1072845), (3, 715230), (5, 429138), (6, 357615), (9, 238410), (10, 214569), (15, 143046), (18, 119205), (27, 79470), (30, 71523), (45, 47682), (54, 39735), (81, 26490), (90, 23841), (135, 15894), (162, 13245), (243, 8830), (270, 7947), (405, 5298), (486, 4415), (810, 2649), (883, 2430), (1215, 1766)]