686287080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{211817}}^1$

素因数の和:211840

約数の個数: 80

約数和(自身を含む): 2306698020

約数和(自身を除く): 1620410940

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 211817, 423634, 635451, 847268, 1059085, 1270902, 1694536, 1906353, 2118170, 2541804, 3177255, 3812706, 4236340, 5083608, 5719059, 6354510, 7625412, 8472680, 9531765, 11438118, 12709020, 15250824, 17157177, 19063530, 22876236, 25418040, 28595295, 34314354, 38127060, 45752472, 57190590, 68628708, 76254120, 85785885, 114381180, 137257416, 171571770, 228762360, 343143540, 686287080]

約数ペア:

[(1, 686287080), (2, 343143540), (3, 228762360), (4, 171571770), (5, 137257416), (6, 114381180), (8, 85785885), (9, 76254120), (10, 68628708), (12, 57190590), (15, 45752472), (18, 38127060), (20, 34314354), (24, 28595295), (27, 25418040), (30, 22876236), (36, 19063530), (40, 17157177), (45, 15250824), (54, 12709020), (60, 11438118), (72, 9531765), (81, 8472680), (90, 7625412), (108, 6354510), (120, 5719059), (135, 5083608), (162, 4236340), (180, 3812706), (216, 3177255), (270, 2541804), (324, 2118170), (360, 1906353), (405, 1694536), (540, 1270902), (648, 1059085), (810, 847268), (1080, 635451), (1620, 423634), (3240, 211817)]