240204720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{142979}}^1$

素因数の和:143002

約数の個数: 80

約数和(自身を含む): 851016960

約数和(自身を除く): 610812240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 142979, 285958, 428937, 571916, 714895, 857874, 1000853, 1143832, 1429790, 1715748, 2001706, 2144685, 2287664, 2859580, 3002559, 3431496, 4003412, 4289370, 5004265, 5719160, 6005118, 6862992, 8006824, 8578740, 10008530, 11438320, 12010236, 15012795, 16013648, 17157480, 20017060, 24020472, 30025590, 34314960, 40034120, 48040944, 60051180, 80068240, 120102360, 240204720]

約数ペア:

[(1, 240204720), (2, 120102360), (3, 80068240), (4, 60051180), (5, 48040944), (6, 40034120), (7, 34314960), (8, 30025590), (10, 24020472), (12, 20017060), (14, 17157480), (15, 16013648), (16, 15012795), (20, 12010236), (21, 11438320), (24, 10008530), (28, 8578740), (30, 8006824), (35, 6862992), (40, 6005118), (42, 5719160), (48, 5004265), (56, 4289370), (60, 4003412), (70, 3431496), (80, 3002559), (84, 2859580), (105, 2287664), (112, 2144685), (120, 2001706), (140, 1715748), (168, 1429790), (210, 1143832), (240, 1000853), (280, 857874), (336, 714895), (420, 571916), (560, 428937), (840, 285958), (1680, 142979)]