1881040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3359}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 4999680

約数和(自身を除く): 3118640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3359, 6718, 13436, 16795, 23513, 26872, 33590, 47026, 53744, 67180, 94052, 117565, 134360, 188104, 235130, 268720, 376208, 470260, 940520, 1881040]

約数ペア:

[(1, 1881040), (2, 940520), (4, 470260), (5, 376208), (7, 268720), (8, 235130), (10, 188104), (14, 134360), (16, 117565), (20, 94052), (28, 67180), (35, 53744), (40, 47026), (56, 33590), (70, 26872), (80, 23513), (112, 16795), (140, 13436), (280, 6718), (560, 3359)]