66814860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 214986240

約数和(自身を除く): 148171380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 619, 771, 1028, 1238, 1285, 1542, 1799, 1857, 2476, 2570, 3084, 3095, 3598, 3714, 3855, 4333, 5140, 5397, 6190, 7196, 7428, 7710, 8666, 8995, 9285, 10794, 12380, 12999, 15420, 17332, 17990, 18570, 21588, 21665, 25998, 26985, 35980, 37140, 43330, 51996, 53970, 64995, 86660, 107940, 129990, 159083, 259980, 318166, 477249, 636332, 795415, 954498, 1113581, 1590830, 1908996, 2227162, 2386245, 3181660, 3340743, 4454324, 4772490, 5567905, 6681486, 9544980, 11135810, 13362972, 16703715, 22271620, 33407430, 66814860]

約数ペア:

[(1, 66814860), (2, 33407430), (3, 22271620), (4, 16703715), (5, 13362972), (6, 11135810), (7, 9544980), (10, 6681486), (12, 5567905), (14, 4772490), (15, 4454324), (20, 3340743), (21, 3181660), (28, 2386245), (30, 2227162), (35, 1908996), (42, 1590830), (60, 1113581), (70, 954498), (84, 795415), (105, 636332), (140, 477249), (210, 318166), (257, 259980), (420, 159083), (514, 129990), (619, 107940), (771, 86660), (1028, 64995), (1238, 53970), (1285, 51996), (1542, 43330), (1799, 37140), (1857, 35980), (2476, 26985), (2570, 25998), (3084, 21665), (3095, 21588), (3598, 18570), (3714, 17990), (3855, 17332), (4333, 15420), (5140, 12999), (5397, 12380), (6190, 10794), (7196, 9285), (7428, 8995), (7710, 8666)]