208828080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290039}}^1$

素因数の和:290058

約数の個数: 60

約数和(自身を含む): 701316720

約数和(自身を除く): 492488640

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, 290039, 580078, 870117, 1160156, 1450195, 1740234, 2320312, 2610351, 2900390, 3480468, 4350585, 4640624, 5220702, 5800780, 6960936, 8701170, 10441404, 11601560, 13051755, 13921872, 17402340, 20882808, 23203120, 26103510, 34804680, 41765616, 52207020, 69609360, 104414040, 208828080]

約数ペア:

[(1, 208828080), (2, 104414040), (3, 69609360), (4, 52207020), (5, 41765616), (6, 34804680), (8, 26103510), (9, 23203120), (10, 20882808), (12, 17402340), (15, 13921872), (16, 13051755), (18, 11601560), (20, 10441404), (24, 8701170), (30, 6960936), (36, 5800780), (40, 5220702), (45, 4640624), (48, 4350585), (60, 3480468), (72, 2900390), (80, 2610351), (90, 2320312), (120, 1740234), (144, 1450195), (180, 1160156), (240, 870117), (360, 580078), (720, 290039)]