80998890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{385709}}^1$

素因数の和:385726

約数の個数: 32

約数和(自身を含む): 222168960

約数和(自身を除く): 141170070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 385709, 771418, 1157127, 1928545, 2314254, 2699963, 3857090, 5399926, 5785635, 8099889, 11571270, 13499815, 16199778, 26999630, 40499445, 80998890]

約数ペア:

[(1, 80998890), (2, 40499445), (3, 26999630), (5, 16199778), (6, 13499815), (7, 11571270), (10, 8099889), (14, 5785635), (15, 5399926), (21, 3857090), (30, 2699963), (35, 2314254), (42, 1928545), (70, 1157127), (105, 771418), (210, 385709)]