68676720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40879}}^1$

素因数の和:40902

約数の個数: 80

約数和(自身を含む): 243317760

約数和(自身を除く): 174641040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40879, 81758, 122637, 163516, 204395, 245274, 286153, 327032, 408790, 490548, 572306, 613185, 654064, 817580, 858459, 981096, 1144612, 1226370, 1430765, 1635160, 1716918, 1962192, 2289224, 2452740, 2861530, 3270320, 3433836, 4292295, 4578448, 4905480, 5723060, 6867672, 8584590, 9810960, 11446120, 13735344, 17169180, 22892240, 34338360, 68676720]

約数ペア:

[(1, 68676720), (2, 34338360), (3, 22892240), (4, 17169180), (5, 13735344), (6, 11446120), (7, 9810960), (8, 8584590), (10, 6867672), (12, 5723060), (14, 4905480), (15, 4578448), (16, 4292295), (20, 3433836), (21, 3270320), (24, 2861530), (28, 2452740), (30, 2289224), (35, 1962192), (40, 1716918), (42, 1635160), (48, 1430765), (56, 1226370), (60, 1144612), (70, 981096), (80, 858459), (84, 817580), (105, 654064), (112, 613185), (120, 572306), (140, 490548), (168, 408790), (210, 327032), (240, 286153), (280, 245274), (336, 204395), (420, 163516), (560, 122637), (840, 81758), (1680, 40879)]