30346480

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2729}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 71089200

約数和(自身を除く): 40742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2729, 2780, 5458, 5560, 10916, 11120, 13645, 21832, 27290, 43664, 54580, 109160, 218320, 379331, 758662, 1517324, 1896655, 3034648, 3793310, 6069296, 7586620, 15173240, 30346480]

約数ペア:

[(1, 30346480), (2, 15173240), (4, 7586620), (5, 6069296), (8, 3793310), (10, 3034648), (16, 1896655), (20, 1517324), (40, 758662), (80, 379331), (139, 218320), (278, 109160), (556, 54580), (695, 43664), (1112, 27290), (1390, 21832), (2224, 13645), (2729, 11120), (2780, 10916), (5458, 5560)]