31149270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20359}}^1$

素因数の和:20389

約数の個数: 48

約数和(自身を含む): 85756320

約数和(自身を除く): 54607050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20359, 40718, 61077, 101795, 122154, 183231, 203590, 305385, 346103, 366462, 610770, 692206, 916155, 1038309, 1730515, 1832310, 2076618, 3114927, 3461030, 5191545, 6229854, 10383090, 15574635, 31149270]

約数ペア:

[(1, 31149270), (2, 15574635), (3, 10383090), (5, 6229854), (6, 5191545), (9, 3461030), (10, 3114927), (15, 2076618), (17, 1832310), (18, 1730515), (30, 1038309), (34, 916155), (45, 692206), (51, 610770), (85, 366462), (90, 346103), (102, 305385), (153, 203590), (170, 183231), (255, 122154), (306, 101795), (510, 61077), (765, 40718), (1530, 20359)]