218157480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{605993}}^1$

素因数の和:606010

約数の個数: 48

約数和(自身を含む): 709012980

約数和(自身を除く): 490855500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 605993, 1211986, 1817979, 2423972, 3029965, 3635958, 4847944, 5453937, 6059930, 7271916, 9089895, 10907874, 12119860, 14543832, 18179790, 21815748, 24239720, 27269685, 36359580, 43631496, 54539370, 72719160, 109078740, 218157480]

約数ペア:

[(1, 218157480), (2, 109078740), (3, 72719160), (4, 54539370), (5, 43631496), (6, 36359580), (8, 27269685), (9, 24239720), (10, 21815748), (12, 18179790), (15, 14543832), (18, 12119860), (20, 10907874), (24, 9089895), (30, 7271916), (36, 6059930), (40, 5453937), (45, 4847944), (60, 3635958), (72, 3029965), (90, 2423972), (120, 1817979), (180, 1211986), (360, 605993)]