30393880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 75790080

約数和(自身を除く): 45396200

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, 1031, 1340, 1474, 2062, 2680, 2948, 3685, 4124, 5155, 5896, 7370, 8248, 10310, 11341, 14740, 20620, 22682, 29480, 41240, 45364, 56705, 69077, 90728, 113410, 138154, 226820, 276308, 345385, 453640, 552616, 690770, 759847, 1381540, 1519694, 2763080, 3039388, 3799235, 6078776, 7598470, 15196940, 30393880]

約数ペア:

[(1, 30393880), (2, 15196940), (4, 7598470), (5, 6078776), (8, 3799235), (10, 3039388), (11, 2763080), (20, 1519694), (22, 1381540), (40, 759847), (44, 690770), (55, 552616), (67, 453640), (88, 345385), (110, 276308), (134, 226820), (220, 138154), (268, 113410), (335, 90728), (440, 69077), (536, 56705), (670, 45364), (737, 41240), (1031, 29480), (1340, 22682), (1474, 20620), (2062, 14740), (2680, 11341), (2948, 10310), (3685, 8248), (4124, 7370), (5155, 5896)]