66921180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65609}}^1$

素因数の和:65638

約数の個数: 48

約数和(自身を含む): 198404640

約数和(自身を除く): 131483460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 65609, 131218, 196827, 262436, 328045, 393654, 656090, 787308, 984135, 1115353, 1312180, 1968270, 2230706, 3346059, 3936540, 4461412, 5576765, 6692118, 11153530, 13384236, 16730295, 22307060, 33460590, 66921180]

約数ペア:

[(1, 66921180), (2, 33460590), (3, 22307060), (4, 16730295), (5, 13384236), (6, 11153530), (10, 6692118), (12, 5576765), (15, 4461412), (17, 3936540), (20, 3346059), (30, 2230706), (34, 1968270), (51, 1312180), (60, 1115353), (68, 984135), (85, 787308), (102, 656090), (170, 393654), (204, 328045), (255, 262436), (340, 196827), (510, 131218), (1020, 65609)]