30243640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108013}}^1$

素因数の和:108031

約数の個数: 32

約数和(自身を含む): 77770080

約数和(自身を除く): 47526440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108013, 216026, 432052, 540065, 756091, 864104, 1080130, 1512182, 2160260, 3024364, 3780455, 4320520, 6048728, 7560910, 15121820, 30243640]

約数ペア:

[(1, 30243640), (2, 15121820), (4, 7560910), (5, 6048728), (7, 4320520), (8, 3780455), (10, 3024364), (14, 2160260), (20, 1512182), (28, 1080130), (35, 864104), (40, 756091), (56, 540065), (70, 432052), (140, 216026), (280, 108013)]