128205720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{118709}}^1$

素因数の和:118729

約数の個数: 64

約数和(自身を含む): 427356000

約数和(自身を除く): 299150280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 118709, 237418, 356127, 474836, 593545, 712254, 949672, 1068381, 1187090, 1424508, 1780635, 2136762, 2374180, 2849016, 3205143, 3561270, 4273524, 4748360, 5341905, 6410286, 7122540, 8547048, 10683810, 12820572, 14245080, 16025715, 21367620, 25641144, 32051430, 42735240, 64102860, 128205720]

約数ペア:

[(1, 128205720), (2, 64102860), (3, 42735240), (4, 32051430), (5, 25641144), (6, 21367620), (8, 16025715), (9, 14245080), (10, 12820572), (12, 10683810), (15, 8547048), (18, 7122540), (20, 6410286), (24, 5341905), (27, 4748360), (30, 4273524), (36, 3561270), (40, 3205143), (45, 2849016), (54, 2374180), (60, 2136762), (72, 1780635), (90, 1424508), (108, 1187090), (120, 1068381), (135, 949672), (180, 712254), (216, 593545), (270, 474836), (360, 356127), (540, 237418), (1080, 118709)]