205402680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{81509}}^1$

素因数の和:81533

約数の個数: 96

約数和(自身を含む): 762933600

約数和(自身を除く): 557530920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 81509, 163018, 244527, 326036, 407545, 489054, 570563, 652072, 733581, 815090, 978108, 1141126, 1222635, 1467162, 1630180, 1711689, 1956216, 2282252, 2445270, 2852815, 2934324, 3260360, 3423378, 3667905, 4564504, 4890540, 5135067, 5705630, 5868648, 6846756, 7335810, 8558445, 9781080, 10270134, 11411260, 13693512, 14671620, 17116890, 20540268, 22822520, 25675335, 29343240, 34233780, 41080536, 51350670, 68467560, 102701340, 205402680]

約数ペア:

[(1, 205402680), (2, 102701340), (3, 68467560), (4, 51350670), (5, 41080536), (6, 34233780), (7, 29343240), (8, 25675335), (9, 22822520), (10, 20540268), (12, 17116890), (14, 14671620), (15, 13693512), (18, 11411260), (20, 10270134), (21, 9781080), (24, 8558445), (28, 7335810), (30, 6846756), (35, 5868648), (36, 5705630), (40, 5135067), (42, 4890540), (45, 4564504), (56, 3667905), (60, 3423378), (63, 3260360), (70, 2934324), (72, 2852815), (84, 2445270), (90, 2282252), (105, 1956216), (120, 1711689), (126, 1630180), (140, 1467162), (168, 1222635), (180, 1141126), (210, 978108), (252, 815090), (280, 733581), (315, 652072), (360, 570563), (420, 489054), (504, 407545), (630, 326036), (840, 244527), (1260, 163018), (2520, 81509)]