30266960

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1583}}^1$

素因数の和:1835

約数の個数: 40

約数和(自身を含む): 70709760

約数和(自身を除く): 40442800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1583, 1912, 2390, 3166, 3824, 4780, 6332, 7915, 9560, 12664, 15830, 19120, 25328, 31660, 63320, 126640, 378337, 756674, 1513348, 1891685, 3026696, 3783370, 6053392, 7566740, 15133480, 30266960]

約数ペア:

[(1, 30266960), (2, 15133480), (4, 7566740), (5, 6053392), (8, 3783370), (10, 3026696), (16, 1891685), (20, 1513348), (40, 756674), (80, 378337), (239, 126640), (478, 63320), (956, 31660), (1195, 25328), (1583, 19120), (1912, 15830), (2390, 12664), (3166, 9560), (3824, 7915), (4780, 6332)]