1330794640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2376419}}^1$

素因数の和:2376439

約数の個数: 40

約数和(自身を含む): 3536112960

約数和(自身を除く): 2205318320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2376419, 4752838, 9505676, 11882095, 16634933, 19011352, 23764190, 33269866, 38022704, 47528380, 66539732, 83174665, 95056760, 133079464, 166349330, 190113520, 266158928, 332698660, 665397320, 1330794640]

約数ペア:

[(1, 1330794640), (2, 665397320), (4, 332698660), (5, 266158928), (7, 190113520), (8, 166349330), (10, 133079464), (14, 95056760), (16, 83174665), (20, 66539732), (28, 47528380), (35, 38022704), (40, 33269866), (56, 23764190), (70, 19011352), (80, 16634933), (112, 11882095), (140, 9505676), (280, 4752838), (560, 2376419)]