30989120

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:987

約数の個数: 56

約数和(自身を含む): 74532744

約数和(自身を除く): 43543624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 857, 904, 1130, 1714, 1808, 2260, 3428, 3616, 4285, 4520, 6856, 7232, 8570, 9040, 13712, 17140, 18080, 27424, 34280, 36160, 54848, 68560, 96841, 137120, 193682, 274240, 387364, 484205, 774728, 968410, 1549456, 1936820, 3098912, 3873640, 6197824, 7747280, 15494560, 30989120]

約数ペア:

[(1, 30989120), (2, 15494560), (4, 7747280), (5, 6197824), (8, 3873640), (10, 3098912), (16, 1936820), (20, 1549456), (32, 968410), (40, 774728), (64, 484205), (80, 387364), (113, 274240), (160, 193682), (226, 137120), (320, 96841), (452, 68560), (565, 54848), (857, 36160), (904, 34280), (1130, 27424), (1714, 18080), (1808, 17140), (2260, 13712), (3428, 9040), (3616, 8570), (4285, 7232), (4520, 6856)]