64901480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33113}}^1$

素因数の和:33138

約数の個数: 48

約数和(自身を含む): 169874820

約数和(自身を除く): 104973340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33113, 66226, 132452, 165565, 231791, 264904, 331130, 463582, 662260, 927164, 1158955, 1324520, 1622537, 1854328, 2317910, 3245074, 4635820, 6490148, 8112685, 9271640, 12980296, 16225370, 32450740, 64901480]

約数ペア:

[(1, 64901480), (2, 32450740), (4, 16225370), (5, 12980296), (7, 9271640), (8, 8112685), (10, 6490148), (14, 4635820), (20, 3245074), (28, 2317910), (35, 1854328), (40, 1622537), (49, 1324520), (56, 1158955), (70, 927164), (98, 662260), (140, 463582), (196, 331130), (245, 264904), (280, 231791), (392, 165565), (490, 132452), (980, 66226), (1960, 33113)]