80755020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3011}}^1$

素因数の和:3175

約数の個数: 72

約数和(自身を含む): 246682800

約数和(自身を除く): 165927780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 3011, 4470, 5364, 6022, 6705, 8940, 9033, 12044, 13410, 15055, 18066, 26820, 27099, 30110, 36132, 45165, 54198, 60220, 90330, 108396, 135495, 180660, 270990, 448639, 541980, 897278, 1345917, 1794556, 2243195, 2691834, 4037751, 4486390, 5383668, 6729585, 8075502, 8972780, 13459170, 16151004, 20188755, 26918340, 40377510, 80755020]

約数ペア:

[(1, 80755020), (2, 40377510), (3, 26918340), (4, 20188755), (5, 16151004), (6, 13459170), (9, 8972780), (10, 8075502), (12, 6729585), (15, 5383668), (18, 4486390), (20, 4037751), (30, 2691834), (36, 2243195), (45, 1794556), (60, 1345917), (90, 897278), (149, 541980), (180, 448639), (298, 270990), (447, 180660), (596, 135495), (745, 108396), (894, 90330), (1341, 60220), (1490, 54198), (1788, 45165), (2235, 36132), (2682, 30110), (2980, 27099), (3011, 26820), (4470, 18066), (5364, 15055), (6022, 13410), (6705, 12044), (8940, 9033)]