205685280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142837}}^1$

素因数の和:142858

約数の個数: 72

約数和(自身を含む): 701905932

約数和(自身を除く): 496220652

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142837, 285674, 428511, 571348, 714185, 857022, 1142696, 1285533, 1428370, 1714044, 2142555, 2285392, 2571066, 2856740, 3428088, 4285110, 4570784, 5142132, 5713480, 6427665, 6856176, 8570220, 10284264, 11426960, 12855330, 13712352, 17140440, 20568528, 22853920, 25710660, 34280880, 41137056, 51421320, 68561760, 102842640, 205685280]

約数ペア:

[(1, 205685280), (2, 102842640), (3, 68561760), (4, 51421320), (5, 41137056), (6, 34280880), (8, 25710660), (9, 22853920), (10, 20568528), (12, 17140440), (15, 13712352), (16, 12855330), (18, 11426960), (20, 10284264), (24, 8570220), (30, 6856176), (32, 6427665), (36, 5713480), (40, 5142132), (45, 4570784), (48, 4285110), (60, 3428088), (72, 2856740), (80, 2571066), (90, 2285392), (96, 2142555), (120, 1714044), (144, 1428370), (160, 1285533), (180, 1142696), (240, 857022), (288, 714185), (360, 571348), (480, 428511), (720, 285674), (1440, 142837)]