81499230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 218880000

約数和(自身を除く): 137380770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 755, 906, 1359, 1510, 1999, 2265, 2718, 3998, 4077, 4530, 5997, 6795, 8154, 9995, 11994, 13590, 17991, 19990, 20385, 29985, 35982, 40770, 53973, 59970, 89955, 107946, 179910, 269865, 301849, 539730, 603698, 905547, 1509245, 1811094, 2716641, 3018490, 4527735, 5433282, 8149923, 9055470, 13583205, 16299846, 27166410, 40749615, 81499230]

約数ペア:

[(1, 81499230), (2, 40749615), (3, 27166410), (5, 16299846), (6, 13583205), (9, 9055470), (10, 8149923), (15, 5433282), (18, 4527735), (27, 3018490), (30, 2716641), (45, 1811094), (54, 1509245), (90, 905547), (135, 603698), (151, 539730), (270, 301849), (302, 269865), (453, 179910), (755, 107946), (906, 89955), (1359, 59970), (1510, 53973), (1999, 40770), (2265, 35982), (2718, 29985), (3998, 20385), (4077, 19990), (4530, 17991), (5997, 13590), (6795, 11994), (8154, 9995)]