66798760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 176738760

約数和(自身を除く): 109940000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 173, 196, 197, 245, 280, 346, 392, 394, 490, 692, 788, 865, 980, 985, 1211, 1379, 1384, 1576, 1730, 1960, 1970, 2422, 2758, 3460, 3940, 4844, 5516, 6055, 6895, 6920, 7880, 8477, 9653, 9688, 11032, 12110, 13790, 16954, 19306, 24220, 27580, 33908, 34081, 38612, 42385, 48265, 48440, 55160, 67816, 68162, 77224, 84770, 96530, 136324, 169540, 170405, 193060, 238567, 272648, 339080, 340810, 386120, 477134, 681620, 954268, 1192835, 1363240, 1669969, 1908536, 2385670, 3339938, 4771340, 6679876, 8349845, 9542680, 13359752, 16699690, 33399380, 66798760]

約数ペア:

[(1, 66798760), (2, 33399380), (4, 16699690), (5, 13359752), (7, 9542680), (8, 8349845), (10, 6679876), (14, 4771340), (20, 3339938), (28, 2385670), (35, 1908536), (40, 1669969), (49, 1363240), (56, 1192835), (70, 954268), (98, 681620), (140, 477134), (173, 386120), (196, 340810), (197, 339080), (245, 272648), (280, 238567), (346, 193060), (392, 170405), (394, 169540), (490, 136324), (692, 96530), (788, 84770), (865, 77224), (980, 68162), (985, 67816), (1211, 55160), (1379, 48440), (1384, 48265), (1576, 42385), (1730, 38612), (1960, 34081), (1970, 33908), (2422, 27580), (2758, 24220), (3460, 19306), (3940, 16954), (4844, 13790), (5516, 12110), (6055, 11032), (6895, 9688), (6920, 9653), (7880, 8477)]