204421320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{21031}}^1$

素因数の和:21057

約数の個数: 96

約数和(自身を含む): 689008320

約数和(自身を除く): 484587000

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, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 21031, 42062, 63093, 84124, 105155, 126186, 168248, 189279, 210310, 252372, 315465, 378558, 420620, 504744, 567837, 630930, 757116, 841240, 946395, 1135674, 1261860, 1514232, 1703511, 1892790, 2271348, 2523720, 2839185, 3407022, 3785580, 4542696, 5110533, 5678370, 6814044, 7571160, 8517555, 10221066, 11356740, 13628088, 17035110, 20442132, 22713480, 25552665, 34070220, 40884264, 51105330, 68140440, 102210660, 204421320]

約数ペア:

[(1, 204421320), (2, 102210660), (3, 68140440), (4, 51105330), (5, 40884264), (6, 34070220), (8, 25552665), (9, 22713480), (10, 20442132), (12, 17035110), (15, 13628088), (18, 11356740), (20, 10221066), (24, 8517555), (27, 7571160), (30, 6814044), (36, 5678370), (40, 5110533), (45, 4542696), (54, 3785580), (60, 3407022), (72, 2839185), (81, 2523720), (90, 2271348), (108, 1892790), (120, 1703511), (135, 1514232), (162, 1261860), (180, 1135674), (216, 946395), (243, 841240), (270, 757116), (324, 630930), (360, 567837), (405, 504744), (486, 420620), (540, 378558), (648, 315465), (810, 252372), (972, 210310), (1080, 189279), (1215, 168248), (1620, 126186), (1944, 105155), (2430, 84124), (3240, 63093), (4860, 42062), (9720, 21031)]