30147880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107671}}^1$

素因数の和:107689

約数の個数: 32

約数和(自身を含む): 77523840

約数和(自身を除く): 47375960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 107671, 215342, 430684, 538355, 753697, 861368, 1076710, 1507394, 2153420, 3014788, 3768485, 4306840, 6029576, 7536970, 15073940, 30147880]

約数ペア:

[(1, 30147880), (2, 15073940), (4, 7536970), (5, 6029576), (7, 4306840), (8, 3768485), (10, 3014788), (14, 2153420), (20, 1507394), (28, 1076710), (35, 861368), (40, 753697), (56, 538355), (70, 430684), (140, 215342), (280, 107671)]