72129680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 193154304

約数和(自身を除く): 121024624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 853, 1057, 1208, 1510, 1706, 2114, 2416, 3020, 3412, 4228, 4265, 5285, 5971, 6040, 6824, 8456, 8530, 10570, 11942, 12080, 13648, 16912, 17060, 21140, 23884, 29855, 34120, 42280, 47768, 59710, 68240, 84560, 95536, 119420, 128803, 238840, 257606, 477680, 515212, 644015, 901621, 1030424, 1288030, 1803242, 2060848, 2576060, 3606484, 4508105, 5152120, 7212968, 9016210, 10304240, 14425936, 18032420, 36064840, 72129680]

約数ペア:

[(1, 72129680), (2, 36064840), (4, 18032420), (5, 14425936), (7, 10304240), (8, 9016210), (10, 7212968), (14, 5152120), (16, 4508105), (20, 3606484), (28, 2576060), (35, 2060848), (40, 1803242), (56, 1288030), (70, 1030424), (80, 901621), (112, 644015), (140, 515212), (151, 477680), (280, 257606), (302, 238840), (560, 128803), (604, 119420), (755, 95536), (853, 84560), (1057, 68240), (1208, 59710), (1510, 47768), (1706, 42280), (2114, 34120), (2416, 29855), (3020, 23884), (3412, 21140), (4228, 17060), (4265, 16912), (5285, 13648), (5971, 12080), (6040, 11942), (6824, 10570), (8456, 8530)]