217489320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{727}}^1$

素因数の和:1024

約数の個数: 128

約数和(自身を含む): 728582400

約数和(自身を除く): 511093080

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, 90, 108, 120, 135, 180, 216, 270, 277, 360, 540, 554, 727, 831, 1080, 1108, 1385, 1454, 1662, 2181, 2216, 2493, 2770, 2908, 3324, 3635, 4155, 4362, 4986, 5540, 5816, 6543, 6648, 7270, 7479, 8310, 8724, 9972, 10905, 11080, 12465, 13086, 14540, 14958, 16620, 17448, 19629, 19944, 21810, 24930, 26172, 29080, 29916, 32715, 33240, 37395, 39258, 43620, 49860, 52344, 59832, 65430, 74790, 78516, 87240, 98145, 99720, 130860, 149580, 157032, 196290, 201379, 261720, 299160, 392580, 402758, 604137, 785160, 805516, 1006895, 1208274, 1611032, 1812411, 2013790, 2416548, 3020685, 3624822, 4027580, 4833096, 5437233, 6041370, 7249644, 8055160, 9062055, 10874466, 12082740, 14499288, 18124110, 21748932, 24165480, 27186165, 36248220, 43497864, 54372330, 72496440, 108744660, 217489320]

約数ペア:

[(1, 217489320), (2, 108744660), (3, 72496440), (4, 54372330), (5, 43497864), (6, 36248220), (8, 27186165), (9, 24165480), (10, 21748932), (12, 18124110), (15, 14499288), (18, 12082740), (20, 10874466), (24, 9062055), (27, 8055160), (30, 7249644), (36, 6041370), (40, 5437233), (45, 4833096), (54, 4027580), (60, 3624822), (72, 3020685), (90, 2416548), (108, 2013790), (120, 1812411), (135, 1611032), (180, 1208274), (216, 1006895), (270, 805516), (277, 785160), (360, 604137), (540, 402758), (554, 392580), (727, 299160), (831, 261720), (1080, 201379), (1108, 196290), (1385, 157032), (1454, 149580), (1662, 130860), (2181, 99720), (2216, 98145), (2493, 87240), (2770, 78516), (2908, 74790), (3324, 65430), (3635, 59832), (4155, 52344), (4362, 49860), (4986, 43620), (5540, 39258), (5816, 37395), (6543, 33240), (6648, 32715), (7270, 29916), (7479, 29080), (8310, 26172), (8724, 24930), (9972, 21810), (10905, 19944), (11080, 19629), (12465, 17448), (13086, 16620), (14540, 14958)]