81727770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2749}}^1$

素因数の和:3750

約数の個数: 32

約数和(自身を含む): 196416000

約数和(自身を除く): 114688230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 991, 1982, 2749, 2973, 4955, 5498, 5946, 8247, 9910, 13745, 14865, 16494, 27490, 29730, 41235, 82470, 2724259, 5448518, 8172777, 13621295, 16345554, 27242590, 40863885, 81727770]

約数ペア:

[(1, 81727770), (2, 40863885), (3, 27242590), (5, 16345554), (6, 13621295), (10, 8172777), (15, 5448518), (30, 2724259), (991, 82470), (1982, 41235), (2749, 29730), (2973, 27490), (4955, 16494), (5498, 14865), (5946, 13745), (8247, 9910)]