2788520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 7499520

約数和(自身を除く): 4711000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 433, 460, 644, 805, 866, 920, 1288, 1610, 1732, 2165, 3031, 3220, 3464, 4330, 6062, 6440, 8660, 9959, 12124, 15155, 17320, 19918, 24248, 30310, 39836, 49795, 60620, 69713, 79672, 99590, 121240, 139426, 199180, 278852, 348565, 398360, 557704, 697130, 1394260, 2788520]

約数ペア:

[(1, 2788520), (2, 1394260), (4, 697130), (5, 557704), (7, 398360), (8, 348565), (10, 278852), (14, 199180), (20, 139426), (23, 121240), (28, 99590), (35, 79672), (40, 69713), (46, 60620), (56, 49795), (70, 39836), (92, 30310), (115, 24248), (140, 19918), (161, 17320), (184, 15155), (230, 12124), (280, 9959), (322, 8660), (433, 6440), (460, 6062), (644, 4330), (805, 3464), (866, 3220), (920, 3031), (1288, 2165), (1610, 1732)]