72008568

素因数分解:

$2^3\times 3^3\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 200772000

約数和(自身を除く): 128763432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 389, 778, 857, 1167, 1556, 1714, 2334, 2571, 3112, 3428, 3501, 4668, 5142, 6856, 7002, 7713, 9336, 10284, 10503, 14004, 15426, 20568, 21006, 23139, 28008, 30852, 42012, 46278, 61704, 84024, 92556, 185112, 333373, 666746, 1000119, 1333492, 2000238, 2666984, 3000357, 4000476, 6000714, 8000952, 9001071, 12001428, 18002142, 24002856, 36004284, 72008568]

約数ペア:

[(1, 72008568), (2, 36004284), (3, 24002856), (4, 18002142), (6, 12001428), (8, 9001071), (9, 8000952), (12, 6000714), (18, 4000476), (24, 3000357), (27, 2666984), (36, 2000238), (54, 1333492), (72, 1000119), (108, 666746), (216, 333373), (389, 185112), (778, 92556), (857, 84024), (1167, 61704), (1556, 46278), (1714, 42012), (2334, 30852), (2571, 28008), (3112, 23139), (3428, 21006), (3501, 20568), (4668, 15426), (5142, 14004), (6856, 10503), (7002, 10284), (7713, 9336)]