80159240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{811}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 206962560

約数和(自身を除く): 126803320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 811, 1412, 1622, 1765, 2471, 2824, 3244, 3530, 4055, 4942, 5677, 6488, 7060, 8110, 9884, 11354, 12355, 14120, 16220, 19768, 22708, 24710, 28385, 32440, 45416, 49420, 56770, 98840, 113540, 227080, 286283, 572566, 1145132, 1431415, 2003981, 2290264, 2862830, 4007962, 5725660, 8015924, 10019905, 11451320, 16031848, 20039810, 40079620, 80159240]

約数ペア:

[(1, 80159240), (2, 40079620), (4, 20039810), (5, 16031848), (7, 11451320), (8, 10019905), (10, 8015924), (14, 5725660), (20, 4007962), (28, 2862830), (35, 2290264), (40, 2003981), (56, 1431415), (70, 1145132), (140, 572566), (280, 286283), (353, 227080), (706, 113540), (811, 98840), (1412, 56770), (1622, 49420), (1765, 45416), (2471, 32440), (2824, 28385), (3244, 24710), (3530, 22708), (4055, 19768), (4942, 16220), (5677, 14120), (6488, 12355), (7060, 11354), (8110, 9884)]