80495280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111799}}^1$

素因数の和:111818

約数の個数: 60

約数和(自身を含む): 270332400

約数和(自身を除く): 189837120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111799, 223598, 335397, 447196, 558995, 670794, 894392, 1006191, 1117990, 1341588, 1676985, 1788784, 2012382, 2235980, 2683176, 3353970, 4024764, 4471960, 5030955, 5366352, 6707940, 8049528, 8943920, 10061910, 13415880, 16099056, 20123820, 26831760, 40247640, 80495280]

約数ペア:

[(1, 80495280), (2, 40247640), (3, 26831760), (4, 20123820), (5, 16099056), (6, 13415880), (8, 10061910), (9, 8943920), (10, 8049528), (12, 6707940), (15, 5366352), (16, 5030955), (18, 4471960), (20, 4024764), (24, 3353970), (30, 2683176), (36, 2235980), (40, 2012382), (45, 1788784), (48, 1676985), (60, 1341588), (72, 1117990), (80, 1006191), (90, 894392), (120, 670794), (144, 558995), (180, 447196), (240, 335397), (360, 223598), (720, 111799)]