6647740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 15953616

約数和(自身を除く): 9305876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 67, 82, 110, 121, 134, 164, 205, 220, 242, 268, 335, 410, 451, 484, 605, 670, 737, 820, 902, 1210, 1340, 1474, 1804, 2255, 2420, 2747, 2948, 3685, 4510, 4961, 5494, 7370, 8107, 9020, 9922, 10988, 13735, 14740, 16214, 19844, 24805, 27470, 30217, 32428, 40535, 49610, 54940, 60434, 81070, 99220, 120868, 151085, 162140, 302170, 332387, 604340, 664774, 1329548, 1661935, 3323870, 6647740]

約数ペア:

[(1, 6647740), (2, 3323870), (4, 1661935), (5, 1329548), (10, 664774), (11, 604340), (20, 332387), (22, 302170), (41, 162140), (44, 151085), (55, 120868), (67, 99220), (82, 81070), (110, 60434), (121, 54940), (134, 49610), (164, 40535), (205, 32428), (220, 30217), (242, 27470), (268, 24805), (335, 19844), (410, 16214), (451, 14740), (484, 13735), (605, 10988), (670, 9922), (737, 9020), (820, 8107), (902, 7370), (1210, 5494), (1340, 4961), (1474, 4510), (1804, 3685), (2255, 2948), (2420, 2747)]