18638011440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8628709}}^1$

素因数の和:8628731

約数の個数: 80

約数和(自身を含む): 64197602400

約数和(自身を除く): 45559590960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8628709, 17257418, 25886127, 34514836, 43143545, 51772254, 69029672, 77658381, 86287090, 103544508, 129430635, 138059344, 155316762, 172574180, 207089016, 232975143, 258861270, 310633524, 345148360, 388291905, 414178032, 465950286, 517722540, 621267048, 690296720, 776583810, 931900572, 1035445080, 1164875715, 1242534096, 1553167620, 1863801144, 2070890160, 2329751430, 3106335240, 3727602288, 4659502860, 6212670480, 9319005720, 18638011440]

約数ペア:

[(1, 18638011440), (2, 9319005720), (3, 6212670480), (4, 4659502860), (5, 3727602288), (6, 3106335240), (8, 2329751430), (9, 2070890160), (10, 1863801144), (12, 1553167620), (15, 1242534096), (16, 1164875715), (18, 1035445080), (20, 931900572), (24, 776583810), (27, 690296720), (30, 621267048), (36, 517722540), (40, 465950286), (45, 414178032), (48, 388291905), (54, 345148360), (60, 310633524), (72, 258861270), (80, 232975143), (90, 207089016), (108, 172574180), (120, 155316762), (135, 138059344), (144, 129430635), (180, 103544508), (216, 86287090), (240, 77658381), (270, 69029672), (360, 51772254), (432, 43143545), (540, 34514836), (720, 25886127), (1080, 17257418), (2160, 8628709)]