30985020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15649}}^1$

素因数の和:15675

約数の個数: 72

約数和(自身を含む): 102538800

約数和(自身を除く): 71553780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15649, 31298, 46947, 62596, 78245, 93894, 140841, 156490, 172139, 187788, 234735, 281682, 312980, 344278, 469470, 516417, 563364, 688556, 704205, 860695, 938940, 1032834, 1408410, 1549251, 1721390, 2065668, 2582085, 2816820, 3098502, 3442780, 5164170, 6197004, 7746255, 10328340, 15492510, 30985020]

約数ペア:

[(1, 30985020), (2, 15492510), (3, 10328340), (4, 7746255), (5, 6197004), (6, 5164170), (9, 3442780), (10, 3098502), (11, 2816820), (12, 2582085), (15, 2065668), (18, 1721390), (20, 1549251), (22, 1408410), (30, 1032834), (33, 938940), (36, 860695), (44, 704205), (45, 688556), (55, 563364), (60, 516417), (66, 469470), (90, 344278), (99, 312980), (110, 281682), (132, 234735), (165, 187788), (180, 172139), (198, 156490), (220, 140841), (330, 93894), (396, 78245), (495, 62596), (660, 46947), (990, 31298), (1980, 15649)]