1297120

素因数分解:

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

素因数の和:104

約数の個数: 72

約数和(自身を含む): 3418632

約数和(自身を除く): 2121512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 121, 134, 160, 176, 220, 242, 268, 335, 352, 440, 484, 536, 605, 670, 737, 880, 968, 1072, 1210, 1340, 1474, 1760, 1936, 2144, 2420, 2680, 2948, 3685, 3872, 4840, 5360, 5896, 7370, 8107, 9680, 10720, 11792, 14740, 16214, 19360, 23584, 29480, 32428, 40535, 58960, 64856, 81070, 117920, 129712, 162140, 259424, 324280, 648560, 1297120]

約数ペア:

[(1, 1297120), (2, 648560), (4, 324280), (5, 259424), (8, 162140), (10, 129712), (11, 117920), (16, 81070), (20, 64856), (22, 58960), (32, 40535), (40, 32428), (44, 29480), (55, 23584), (67, 19360), (80, 16214), (88, 14740), (110, 11792), (121, 10720), (134, 9680), (160, 8107), (176, 7370), (220, 5896), (242, 5360), (268, 4840), (335, 3872), (352, 3685), (440, 2948), (484, 2680), (536, 2420), (605, 2144), (670, 1936), (737, 1760), (880, 1474), (968, 1340), (1072, 1210)]