720764568

素因数分解:

$2^3\times 3^4\times {\mathrm{1112291}}^1$

素因数の和:1112309

約数の個数: 40

約数和(自身を含む): 2018809980

約数和(自身を除く): 1298045412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1112291, 2224582, 3336873, 4449164, 6673746, 8898328, 10010619, 13347492, 20021238, 26694984, 30031857, 40042476, 60063714, 80084952, 90095571, 120127428, 180191142, 240254856, 360382284, 720764568]

約数ペア:

[(1, 720764568), (2, 360382284), (3, 240254856), (4, 180191142), (6, 120127428), (8, 90095571), (9, 80084952), (12, 60063714), (18, 40042476), (24, 30031857), (27, 26694984), (36, 20021238), (54, 13347492), (72, 10010619), (81, 8898328), (108, 6673746), (162, 4449164), (216, 3336873), (324, 2224582), (648, 1112291)]