210007080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{64817}}^1$

素因数の和:64840

約数の個数: 80

約数和(自身を含む): 705868020

約数和(自身を除く): 495860940

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, 64817, 129634, 194451, 259268, 324085, 388902, 518536, 583353, 648170, 777804, 972255, 1166706, 1296340, 1555608, 1750059, 1944510, 2333412, 2592680, 2916765, 3500118, 3889020, 4666824, 5250177, 5833530, 7000236, 7778040, 8750295, 10500354, 11667060, 14000472, 17500590, 21000708, 23334120, 26250885, 35001180, 42001416, 52501770, 70002360, 105003540, 210007080]

約数ペア:

[(1, 210007080), (2, 105003540), (3, 70002360), (4, 52501770), (5, 42001416), (6, 35001180), (8, 26250885), (9, 23334120), (10, 21000708), (12, 17500590), (15, 14000472), (18, 11667060), (20, 10500354), (24, 8750295), (27, 7778040), (30, 7000236), (36, 5833530), (40, 5250177), (45, 4666824), (54, 3889020), (60, 3500118), (72, 2916765), (81, 2592680), (90, 2333412), (108, 1944510), (120, 1750059), (135, 1555608), (162, 1296340), (180, 1166706), (216, 972255), (270, 777804), (324, 648170), (360, 583353), (405, 518536), (540, 388902), (648, 324085), (810, 259268), (1080, 194451), (1620, 129634), (3240, 64817)]