19936080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27689}}^1$

素因数の和:27708

約数の個数: 60

約数和(自身を含む): 66954420

約数和(自身を除く): 47018340

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, 27689, 55378, 83067, 110756, 138445, 166134, 221512, 249201, 276890, 332268, 415335, 443024, 498402, 553780, 664536, 830670, 996804, 1107560, 1246005, 1329072, 1661340, 1993608, 2215120, 2492010, 3322680, 3987216, 4984020, 6645360, 9968040, 19936080]

約数ペア:

[(1, 19936080), (2, 9968040), (3, 6645360), (4, 4984020), (5, 3987216), (6, 3322680), (8, 2492010), (9, 2215120), (10, 1993608), (12, 1661340), (15, 1329072), (16, 1246005), (18, 1107560), (20, 996804), (24, 830670), (30, 664536), (36, 553780), (40, 498402), (45, 443024), (48, 415335), (60, 332268), (72, 276890), (80, 249201), (90, 221512), (120, 166134), (144, 138445), (180, 110756), (240, 83067), (360, 55378), (720, 27689)]