61317280

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{937}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 145371240

約数和(自身を除く): 84053960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 937, 1636, 1874, 2045, 3272, 3748, 4090, 4685, 6544, 7496, 8180, 9370, 13088, 14992, 16360, 18740, 29984, 32720, 37480, 65440, 74960, 149920, 383233, 766466, 1532932, 1916165, 3065864, 3832330, 6131728, 7664660, 12263456, 15329320, 30658640, 61317280]

約数ペア:

[(1, 61317280), (2, 30658640), (4, 15329320), (5, 12263456), (8, 7664660), (10, 6131728), (16, 3832330), (20, 3065864), (32, 1916165), (40, 1532932), (80, 766466), (160, 383233), (409, 149920), (818, 74960), (937, 65440), (1636, 37480), (1874, 32720), (2045, 29984), (3272, 18740), (3748, 16360), (4090, 14992), (4685, 13088), (6544, 9370), (7496, 8180)]