81063900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{90071}}^1$

素因数の和:90091

約数の個数: 54

約数和(自身を含む): 254093112

約数和(自身を除く): 173029212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 90071, 180142, 270213, 360284, 450355, 540426, 810639, 900710, 1080852, 1351065, 1621278, 1801420, 2251775, 2702130, 3242556, 4053195, 4503550, 5404260, 6755325, 8106390, 9007100, 13510650, 16212780, 20265975, 27021300, 40531950, 81063900]

約数ペア:

[(1, 81063900), (2, 40531950), (3, 27021300), (4, 20265975), (5, 16212780), (6, 13510650), (9, 9007100), (10, 8106390), (12, 6755325), (15, 5404260), (18, 4503550), (20, 4053195), (25, 3242556), (30, 2702130), (36, 2251775), (45, 1801420), (50, 1621278), (60, 1351065), (75, 1080852), (90, 900710), (100, 810639), (150, 540426), (180, 450355), (225, 360284), (300, 270213), (450, 180142), (900, 90071)]