120905980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{35771}}^1$

素因数の和:35806

約数の個数: 36

約数和(自身を含む): 274943592

約数和(自身を除く): 154037612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 35771, 71542, 143084, 178855, 357710, 465023, 715420, 930046, 1860092, 2325115, 4650230, 6045299, 9300460, 12090598, 24181196, 30226495, 60452990, 120905980]

約数ペア:

[(1, 120905980), (2, 60452990), (4, 30226495), (5, 24181196), (10, 12090598), (13, 9300460), (20, 6045299), (26, 4650230), (52, 2325115), (65, 1860092), (130, 930046), (169, 715420), (260, 465023), (338, 357710), (676, 178855), (845, 143084), (1690, 71542), (3380, 35771)]