15222440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1447}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 34404480

約数和(自身を除く): 19182040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1447, 2104, 2630, 2894, 5260, 5788, 7235, 10520, 11576, 14470, 28940, 57880, 380561, 761122, 1522244, 1902805, 3044488, 3805610, 7611220, 15222440]

約数ペア:

[(1, 15222440), (2, 7611220), (4, 3805610), (5, 3044488), (8, 1902805), (10, 1522244), (20, 761122), (40, 380561), (263, 57880), (526, 28940), (1052, 14470), (1315, 11576), (1447, 10520), (2104, 7235), (2630, 5788), (2894, 5260)]