72231520

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 171270288

約数和(自身を除く): 99038768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1301, 1388, 1735, 2602, 2776, 3470, 5204, 5552, 6505, 6940, 10408, 11104, 13010, 13880, 20816, 26020, 27760, 41632, 52040, 55520, 104080, 208160, 451447, 902894, 1805788, 2257235, 3611576, 4514470, 7223152, 9028940, 14446304, 18057880, 36115760, 72231520]

約数ペア:

[(1, 72231520), (2, 36115760), (4, 18057880), (5, 14446304), (8, 9028940), (10, 7223152), (16, 4514470), (20, 3611576), (32, 2257235), (40, 1805788), (80, 902894), (160, 451447), (347, 208160), (694, 104080), (1301, 55520), (1388, 52040), (1735, 41632), (2602, 27760), (2776, 26020), (3470, 20816), (5204, 13880), (5552, 13010), (6505, 11104), (6940, 10408)]