80873940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192557}}^1$

素因数の和:192576

約数の個数: 48

約数和(自身を含む): 258797952

約数和(自身を除く): 177924012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192557, 385114, 577671, 770228, 962785, 1155342, 1347899, 1925570, 2310684, 2695798, 2888355, 3851140, 4043697, 5391596, 5776710, 6739495, 8087394, 11553420, 13478990, 16174788, 20218485, 26957980, 40436970, 80873940]

約数ペア:

[(1, 80873940), (2, 40436970), (3, 26957980), (4, 20218485), (5, 16174788), (6, 13478990), (7, 11553420), (10, 8087394), (12, 6739495), (14, 5776710), (15, 5391596), (20, 4043697), (21, 3851140), (28, 2888355), (30, 2695798), (35, 2310684), (42, 1925570), (60, 1347899), (70, 1155342), (84, 962785), (105, 770228), (140, 577671), (210, 385114), (420, 192557)]