2015956840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{23087}}^1$

素因数の和:23194

約数の個数: 64

約数和(自身を含む): 4737657600

約数和(自身を除く): 2721700760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 1180, 1480, 2183, 2360, 4366, 8732, 10915, 17464, 21830, 23087, 43660, 46174, 87320, 92348, 115435, 184696, 230870, 461740, 854219, 923480, 1362133, 1708438, 2724266, 3416876, 4271095, 5448532, 6810665, 6833752, 8542190, 10897064, 13621330, 17084380, 27242660, 34168760, 50398921, 54485320, 100797842, 201595684, 251994605, 403191368, 503989210, 1007978420, 2015956840]

約数ペア:

[(1, 2015956840), (2, 1007978420), (4, 503989210), (5, 403191368), (8, 251994605), (10, 201595684), (20, 100797842), (37, 54485320), (40, 50398921), (59, 34168760), (74, 27242660), (118, 17084380), (148, 13621330), (185, 10897064), (236, 8542190), (295, 6833752), (296, 6810665), (370, 5448532), (472, 4271095), (590, 3416876), (740, 2724266), (1180, 1708438), (1480, 1362133), (2183, 923480), (2360, 854219), (4366, 461740), (8732, 230870), (10915, 184696), (17464, 115435), (21830, 92348), (23087, 87320), (43660, 46174)]