15257740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 34292160

約数和(自身を除く): 19034420

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 809, 820, 943, 1618, 1886, 3236, 3772, 4045, 4715, 8090, 9430, 16180, 18607, 18860, 33169, 37214, 66338, 74428, 93035, 132676, 165845, 186070, 331690, 372140, 663380, 762887, 1525774, 3051548, 3814435, 7628870, 15257740]

約数ペア:

[(1, 15257740), (2, 7628870), (4, 3814435), (5, 3051548), (10, 1525774), (20, 762887), (23, 663380), (41, 372140), (46, 331690), (82, 186070), (92, 165845), (115, 132676), (164, 93035), (205, 74428), (230, 66338), (410, 37214), (460, 33169), (809, 18860), (820, 18607), (943, 16180), (1618, 9430), (1886, 8090), (3236, 4715), (3772, 4045)]