78387320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2659}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 195350400

約数和(自身を除く): 116963080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2659, 2680, 2948, 3685, 5318, 5896, 7370, 10636, 13295, 14740, 21272, 26590, 29249, 29480, 53180, 58498, 106360, 116996, 146245, 178153, 233992, 292490, 356306, 584980, 712612, 890765, 1169960, 1425224, 1781530, 1959683, 3563060, 3919366, 7126120, 7838732, 9798415, 15677464, 19596830, 39193660, 78387320]

約数ペア:

[(1, 78387320), (2, 39193660), (4, 19596830), (5, 15677464), (8, 9798415), (10, 7838732), (11, 7126120), (20, 3919366), (22, 3563060), (40, 1959683), (44, 1781530), (55, 1425224), (67, 1169960), (88, 890765), (110, 712612), (134, 584980), (220, 356306), (268, 292490), (335, 233992), (440, 178153), (536, 146245), (670, 116996), (737, 106360), (1340, 58498), (1474, 53180), (2659, 29480), (2680, 29249), (2948, 26590), (3685, 21272), (5318, 14740), (5896, 13295), (7370, 10636)]