30148720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7691}}^1$

素因数の和:7718

約数の個数: 60

約数和(自身を含む): 81550584

約数和(自身を除く): 51401864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7691, 15382, 30764, 38455, 53837, 61528, 76910, 107674, 123056, 153820, 215348, 269185, 307640, 376859, 430696, 538370, 615280, 753718, 861392, 1076740, 1507436, 1884295, 2153480, 3014872, 3768590, 4306960, 6029744, 7537180, 15074360, 30148720]

約数ペア:

[(1, 30148720), (2, 15074360), (4, 7537180), (5, 6029744), (7, 4306960), (8, 3768590), (10, 3014872), (14, 2153480), (16, 1884295), (20, 1507436), (28, 1076740), (35, 861392), (40, 753718), (49, 615280), (56, 538370), (70, 430696), (80, 376859), (98, 307640), (112, 269185), (140, 215348), (196, 153820), (245, 123056), (280, 107674), (392, 76910), (490, 61528), (560, 53837), (784, 38455), (980, 30764), (1960, 15382), (3920, 7691)]