138809520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192791}}^1$

素因数の和:192810

約数の個数: 60

約数和(自身を含む): 466171056

約数和(自身を除く): 327361536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192791, 385582, 578373, 771164, 963955, 1156746, 1542328, 1735119, 1927910, 2313492, 2891865, 3084656, 3470238, 3855820, 4626984, 5783730, 6940476, 7711640, 8675595, 9253968, 11567460, 13880952, 15423280, 17351190, 23134920, 27761904, 34702380, 46269840, 69404760, 138809520]

約数ペア:

[(1, 138809520), (2, 69404760), (3, 46269840), (4, 34702380), (5, 27761904), (6, 23134920), (8, 17351190), (9, 15423280), (10, 13880952), (12, 11567460), (15, 9253968), (16, 8675595), (18, 7711640), (20, 6940476), (24, 5783730), (30, 4626984), (36, 3855820), (40, 3470238), (45, 3084656), (48, 2891865), (60, 2313492), (72, 1927910), (80, 1735119), (90, 1542328), (120, 1156746), (144, 963955), (180, 771164), (240, 578373), (360, 385582), (720, 192791)]