18901560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157513}}^1$

素因数の和:157527

約数の個数: 32

約数和(自身を含む): 56705040

約数和(自身を除く): 37803480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157513, 315026, 472539, 630052, 787565, 945078, 1260104, 1575130, 1890156, 2362695, 3150260, 3780312, 4725390, 6300520, 9450780, 18901560]

約数ペア:

[(1, 18901560), (2, 9450780), (3, 6300520), (4, 4725390), (5, 3780312), (6, 3150260), (8, 2362695), (10, 1890156), (12, 1575130), (15, 1260104), (20, 945078), (24, 787565), (30, 630052), (40, 472539), (60, 315026), (120, 157513)]