15880810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6318

約数の個数: 32

約数和(自身を含む): 32545152

約数和(自身を除く): 16664342

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 6277, 12554, 31385, 62770, 69047, 138094, 144371, 288742, 345235, 690470, 721855, 1443710, 1588081, 3176162, 7940405, 15880810]

約数ペア:

[(1, 15880810), (2, 7940405), (5, 3176162), (10, 1588081), (11, 1443710), (22, 721855), (23, 690470), (46, 345235), (55, 288742), (110, 144371), (115, 138094), (230, 69047), (253, 62770), (506, 31385), (1265, 12554), (2530, 6277)]