15105020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4691}}^1$

素因数の和:4730

約数の個数: 48

約数和(自身を含む): 37836288

約数和(自身を除く): 22731268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4691, 9382, 18764, 23455, 32837, 46910, 65674, 93820, 107893, 131348, 164185, 215786, 328370, 431572, 539465, 656740, 755251, 1078930, 1510502, 2157860, 3021004, 3776255, 7552510, 15105020]

約数ペア:

[(1, 15105020), (2, 7552510), (4, 3776255), (5, 3021004), (7, 2157860), (10, 1510502), (14, 1078930), (20, 755251), (23, 656740), (28, 539465), (35, 431572), (46, 328370), (70, 215786), (92, 164185), (115, 131348), (140, 107893), (161, 93820), (230, 65674), (322, 46910), (460, 32837), (644, 23455), (805, 18764), (1610, 9382), (3220, 4691)]