1281972240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1780517}}^1$

素因数の和:1780536

約数の個数: 60

約数和(自身を含む): 4305292524

約数和(自身を除く): 3023320284

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, 1780517, 3561034, 5341551, 7122068, 8902585, 10683102, 14244136, 16024653, 17805170, 21366204, 26707755, 28488272, 32049306, 35610340, 42732408, 53415510, 64098612, 71220680, 80123265, 85464816, 106831020, 128197224, 142441360, 160246530, 213662040, 256394448, 320493060, 427324080, 640986120, 1281972240]

約数ペア:

[(1, 1281972240), (2, 640986120), (3, 427324080), (4, 320493060), (5, 256394448), (6, 213662040), (8, 160246530), (9, 142441360), (10, 128197224), (12, 106831020), (15, 85464816), (16, 80123265), (18, 71220680), (20, 64098612), (24, 53415510), (30, 42732408), (36, 35610340), (40, 32049306), (45, 28488272), (48, 26707755), (60, 21366204), (72, 17805170), (80, 16024653), (90, 14244136), (120, 10683102), (144, 8902585), (180, 7122068), (240, 5341551), (360, 3561034), (720, 1780517)]