207444720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123479}}^1$

素因数の和:123502

約数の個数: 80

約数和(自身を含む): 734952960

約数和(自身を除く): 527508240

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, 123479, 246958, 370437, 493916, 617395, 740874, 864353, 987832, 1234790, 1481748, 1728706, 1852185, 1975664, 2469580, 2593059, 2963496, 3457412, 3704370, 4321765, 4939160, 5186118, 5926992, 6914824, 7408740, 8643530, 9878320, 10372236, 12965295, 13829648, 14817480, 17287060, 20744472, 25930590, 29634960, 34574120, 41488944, 51861180, 69148240, 103722360, 207444720]

約数ペア:

[(1, 207444720), (2, 103722360), (3, 69148240), (4, 51861180), (5, 41488944), (6, 34574120), (7, 29634960), (8, 25930590), (10, 20744472), (12, 17287060), (14, 14817480), (15, 13829648), (16, 12965295), (20, 10372236), (21, 9878320), (24, 8643530), (28, 7408740), (30, 6914824), (35, 5926992), (40, 5186118), (42, 4939160), (48, 4321765), (56, 3704370), (60, 3457412), (70, 2963496), (80, 2593059), (84, 2469580), (105, 1975664), (112, 1852185), (120, 1728706), (140, 1481748), (168, 1234790), (210, 987832), (240, 864353), (280, 740874), (336, 617395), (420, 493916), (560, 370437), (840, 246958), (1680, 123479)]