12881820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30671}}^1$

素因数の和:30690

約数の個数: 48

約数和(自身を含む): 41223168

約数和(自身を除く): 28341348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30671, 61342, 92013, 122684, 153355, 184026, 214697, 306710, 368052, 429394, 460065, 613420, 644091, 858788, 920130, 1073485, 1288182, 1840260, 2146970, 2576364, 3220455, 4293940, 6440910, 12881820]

約数ペア:

[(1, 12881820), (2, 6440910), (3, 4293940), (4, 3220455), (5, 2576364), (6, 2146970), (7, 1840260), (10, 1288182), (12, 1073485), (14, 920130), (15, 858788), (20, 644091), (21, 613420), (28, 460065), (30, 429394), (35, 368052), (42, 306710), (60, 214697), (70, 184026), (84, 153355), (105, 122684), (140, 92013), (210, 61342), (420, 30671)]