11881520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 32289600

約数和(自身を除く): 20408080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 433, 490, 560, 686, 784, 866, 980, 1372, 1715, 1732, 1960, 2165, 2744, 3031, 3430, 3464, 3920, 4330, 5488, 6062, 6860, 6928, 8660, 12124, 13720, 15155, 17320, 21217, 24248, 27440, 30310, 34640, 42434, 48496, 60620, 84868, 106085, 121240, 148519, 169736, 212170, 242480, 297038, 339472, 424340, 594076, 742595, 848680, 1188152, 1485190, 1697360, 2376304, 2970380, 5940760, 11881520]

約数ペア:

[(1, 11881520), (2, 5940760), (4, 2970380), (5, 2376304), (7, 1697360), (8, 1485190), (10, 1188152), (14, 848680), (16, 742595), (20, 594076), (28, 424340), (35, 339472), (40, 297038), (49, 242480), (56, 212170), (70, 169736), (80, 148519), (98, 121240), (112, 106085), (140, 84868), (196, 60620), (245, 48496), (280, 42434), (343, 34640), (392, 30310), (433, 27440), (490, 24248), (560, 21217), (686, 17320), (784, 15155), (866, 13720), (980, 12124), (1372, 8660), (1715, 6928), (1732, 6860), (1960, 6062), (2165, 5488), (2744, 4330), (3031, 3920), (3430, 3464)]