31261980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30649}}^1$

素因数の和:30678

約数の個数: 48

約数和(自身を含む): 92685600

約数和(自身を除く): 61423620

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, 30649, 61298, 91947, 122596, 153245, 183894, 306490, 367788, 459735, 521033, 612980, 919470, 1042066, 1563099, 1838940, 2084132, 2605165, 3126198, 5210330, 6252396, 7815495, 10420660, 15630990, 31261980]

約数ペア:

[(1, 31261980), (2, 15630990), (3, 10420660), (4, 7815495), (5, 6252396), (6, 5210330), (10, 3126198), (12, 2605165), (15, 2084132), (17, 1838940), (20, 1563099), (30, 1042066), (34, 919470), (51, 612980), (60, 521033), (68, 459735), (85, 367788), (102, 306490), (170, 183894), (204, 153245), (255, 122596), (340, 91947), (510, 61298), (1020, 30649)]