74721420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{138373}}^1$

素因数の和:138391

約数の個数: 48

約数和(自身を含む): 232468320

約数和(自身を除く): 157746900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 138373, 276746, 415119, 553492, 691865, 830238, 1245357, 1383730, 1660476, 2075595, 2490714, 2767460, 3736071, 4151190, 4981428, 6226785, 7472142, 8302380, 12453570, 14944284, 18680355, 24907140, 37360710, 74721420]

約数ペア:

[(1, 74721420), (2, 37360710), (3, 24907140), (4, 18680355), (5, 14944284), (6, 12453570), (9, 8302380), (10, 7472142), (12, 6226785), (15, 4981428), (18, 4151190), (20, 3736071), (27, 2767460), (30, 2490714), (36, 2075595), (45, 1660476), (54, 1383730), (60, 1245357), (90, 830238), (108, 691865), (135, 553492), (180, 415119), (270, 276746), (540, 138373)]