820889280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{285031}}^1$

素因数の和:285054

約数の個数: 84

約数和(自身を含む): 2823526992

約数和(自身を除く): 2002637712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 285031, 570062, 855093, 1140124, 1425155, 1710186, 2280248, 2565279, 2850310, 3420372, 4275465, 4560496, 5130558, 5700620, 6840744, 8550930, 9120992, 10261116, 11401240, 12826395, 13681488, 17101860, 18241984, 20522232, 22802480, 25652790, 27362976, 34203720, 41044464, 45604960, 51305580, 54725952, 68407440, 82088928, 91209920, 102611160, 136814880, 164177856, 205222320, 273629760, 410444640, 820889280]

約数ペア:

[(1, 820889280), (2, 410444640), (3, 273629760), (4, 205222320), (5, 164177856), (6, 136814880), (8, 102611160), (9, 91209920), (10, 82088928), (12, 68407440), (15, 54725952), (16, 51305580), (18, 45604960), (20, 41044464), (24, 34203720), (30, 27362976), (32, 25652790), (36, 22802480), (40, 20522232), (45, 18241984), (48, 17101860), (60, 13681488), (64, 12826395), (72, 11401240), (80, 10261116), (90, 9120992), (96, 8550930), (120, 6840744), (144, 5700620), (160, 5130558), (180, 4560496), (192, 4275465), (240, 3420372), (288, 2850310), (320, 2565279), (360, 2280248), (480, 1710186), (576, 1425155), (720, 1140124), (960, 855093), (1440, 570062), (2880, 285031)]