61881680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{110503}}^1$

素因数の和:110523

約数の個数: 40

約数和(自身を含む): 164429952

約数和(自身を除く): 102548272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 110503, 221006, 442012, 552515, 773521, 884024, 1105030, 1547042, 1768048, 2210060, 3094084, 3867605, 4420120, 6188168, 7735210, 8840240, 12376336, 15470420, 30940840, 61881680]

約数ペア:

[(1, 61881680), (2, 30940840), (4, 15470420), (5, 12376336), (7, 8840240), (8, 7735210), (10, 6188168), (14, 4420120), (16, 3867605), (20, 3094084), (28, 2210060), (35, 1768048), (40, 1547042), (56, 1105030), (70, 884024), (80, 773521), (112, 552515), (140, 442012), (280, 221006), (560, 110503)]