61978240

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 149652360

約数和(自身を除く): 87674120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 857, 904, 1130, 1714, 1808, 2260, 3428, 3616, 4285, 4520, 6856, 7232, 8570, 9040, 13712, 14464, 17140, 18080, 27424, 34280, 36160, 54848, 68560, 72320, 96841, 109696, 137120, 193682, 274240, 387364, 484205, 548480, 774728, 968410, 1549456, 1936820, 3098912, 3873640, 6197824, 7747280, 12395648, 15494560, 30989120, 61978240]

約数ペア:

[(1, 61978240), (2, 30989120), (4, 15494560), (5, 12395648), (8, 7747280), (10, 6197824), (16, 3873640), (20, 3098912), (32, 1936820), (40, 1549456), (64, 968410), (80, 774728), (113, 548480), (128, 484205), (160, 387364), (226, 274240), (320, 193682), (452, 137120), (565, 109696), (640, 96841), (857, 72320), (904, 68560), (1130, 54848), (1714, 36160), (1808, 34280), (2260, 27424), (3428, 18080), (3616, 17140), (4285, 14464), (4520, 13712), (6856, 9040), (7232, 8570)]