128582040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24919}}^1$

素因数の和:24976

約数の個数: 64

約数和(自身を含む): 394732800

約数和(自身を除く): 266150760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 24919, 49838, 74757, 99676, 124595, 149514, 199352, 249190, 299028, 373785, 498380, 598056, 747570, 996760, 1071517, 1495140, 2143034, 2990280, 3214551, 4286068, 5357585, 6429102, 8572136, 10715170, 12858204, 16072755, 21430340, 25716408, 32145510, 42860680, 64291020, 128582040]

約数ペア:

[(1, 128582040), (2, 64291020), (3, 42860680), (4, 32145510), (5, 25716408), (6, 21430340), (8, 16072755), (10, 12858204), (12, 10715170), (15, 8572136), (20, 6429102), (24, 5357585), (30, 4286068), (40, 3214551), (43, 2990280), (60, 2143034), (86, 1495140), (120, 1071517), (129, 996760), (172, 747570), (215, 598056), (258, 498380), (344, 373785), (430, 299028), (516, 249190), (645, 199352), (860, 149514), (1032, 124595), (1290, 99676), (1720, 74757), (2580, 49838), (5160, 24919)]