2478240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1721}}^1$

素因数の和:1742

約数の個数: 72

約数和(自身を含む): 8461908

約数和(自身を除く): 5983668

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1721, 3442, 5163, 6884, 8605, 10326, 13768, 15489, 17210, 20652, 25815, 27536, 30978, 34420, 41304, 51630, 55072, 61956, 68840, 77445, 82608, 103260, 123912, 137680, 154890, 165216, 206520, 247824, 275360, 309780, 413040, 495648, 619560, 826080, 1239120, 2478240]

約数ペア:

[(1, 2478240), (2, 1239120), (3, 826080), (4, 619560), (5, 495648), (6, 413040), (8, 309780), (9, 275360), (10, 247824), (12, 206520), (15, 165216), (16, 154890), (18, 137680), (20, 123912), (24, 103260), (30, 82608), (32, 77445), (36, 68840), (40, 61956), (45, 55072), (48, 51630), (60, 41304), (72, 34420), (80, 30978), (90, 27536), (96, 25815), (120, 20652), (144, 17210), (160, 15489), (180, 13768), (240, 10326), (288, 8605), (360, 6884), (480, 5163), (720, 3442), (1440, 1721)]