71812860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2803}}^1$

素因数の和:2883

約数の個数: 96

約数和(自身を含む): 233651712

約数和(自身を除く): 161838852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 2803, 3660, 4270, 5124, 5606, 6405, 8409, 8540, 11212, 12810, 14015, 16818, 19621, 25620, 28030, 33636, 39242, 42045, 56060, 58863, 78484, 84090, 98105, 117726, 168180, 170983, 196210, 235452, 294315, 341966, 392420, 512949, 588630, 683932, 854915, 1025898, 1177260, 1196881, 1709830, 2051796, 2393762, 2564745, 3419660, 3590643, 4787524, 5129490, 5984405, 7181286, 10258980, 11968810, 14362572, 17953215, 23937620, 35906430, 71812860]

約数ペア:

[(1, 71812860), (2, 35906430), (3, 23937620), (4, 17953215), (5, 14362572), (6, 11968810), (7, 10258980), (10, 7181286), (12, 5984405), (14, 5129490), (15, 4787524), (20, 3590643), (21, 3419660), (28, 2564745), (30, 2393762), (35, 2051796), (42, 1709830), (60, 1196881), (61, 1177260), (70, 1025898), (84, 854915), (105, 683932), (122, 588630), (140, 512949), (183, 392420), (210, 341966), (244, 294315), (305, 235452), (366, 196210), (420, 170983), (427, 168180), (610, 117726), (732, 98105), (854, 84090), (915, 78484), (1220, 58863), (1281, 56060), (1708, 42045), (1830, 39242), (2135, 33636), (2562, 28030), (2803, 25620), (3660, 19621), (4270, 16818), (5124, 14015), (5606, 12810), (6405, 11212), (8409, 8540)]