51287760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71233}}^1$

素因数の和:71252

約数の個数: 60

約数和(自身を含む): 172243812

約数和(自身を除く): 120956052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71233, 142466, 213699, 284932, 356165, 427398, 569864, 641097, 712330, 854796, 1068495, 1139728, 1282194, 1424660, 1709592, 2136990, 2564388, 2849320, 3205485, 3419184, 4273980, 5128776, 5698640, 6410970, 8547960, 10257552, 12821940, 17095920, 25643880, 51287760]

約数ペア:

[(1, 51287760), (2, 25643880), (3, 17095920), (4, 12821940), (5, 10257552), (6, 8547960), (8, 6410970), (9, 5698640), (10, 5128776), (12, 4273980), (15, 3419184), (16, 3205485), (18, 2849320), (20, 2564388), (24, 2136990), (30, 1709592), (36, 1424660), (40, 1282194), (45, 1139728), (48, 1068495), (60, 854796), (72, 712330), (80, 641097), (90, 569864), (120, 427398), (144, 356165), (180, 284932), (240, 213699), (360, 142466), (720, 71233)]