81668580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{577}}^1$

素因数の和:933

約数の個数: 96

約数和(自身を含む): 262569216

約数和(自身を除く): 180900636

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, 337, 420, 577, 674, 1011, 1154, 1348, 1685, 1731, 2022, 2308, 2359, 2885, 3370, 3462, 4039, 4044, 4718, 5055, 5770, 6740, 6924, 7077, 8078, 8655, 9436, 10110, 11540, 11795, 12117, 14154, 16156, 17310, 20195, 20220, 23590, 24234, 28308, 34620, 35385, 40390, 47180, 48468, 60585, 70770, 80780, 121170, 141540, 194449, 242340, 388898, 583347, 777796, 972245, 1166694, 1361143, 1944490, 2333388, 2722286, 2916735, 3888980, 4083429, 5444572, 5833470, 6805715, 8166858, 11666940, 13611430, 16333716, 20417145, 27222860, 40834290, 81668580]

約数ペア:

[(1, 81668580), (2, 40834290), (3, 27222860), (4, 20417145), (5, 16333716), (6, 13611430), (7, 11666940), (10, 8166858), (12, 6805715), (14, 5833470), (15, 5444572), (20, 4083429), (21, 3888980), (28, 2916735), (30, 2722286), (35, 2333388), (42, 1944490), (60, 1361143), (70, 1166694), (84, 972245), (105, 777796), (140, 583347), (210, 388898), (337, 242340), (420, 194449), (577, 141540), (674, 121170), (1011, 80780), (1154, 70770), (1348, 60585), (1685, 48468), (1731, 47180), (2022, 40390), (2308, 35385), (2359, 34620), (2885, 28308), (3370, 24234), (3462, 23590), (4039, 20220), (4044, 20195), (4718, 17310), (5055, 16156), (5770, 14154), (6740, 12117), (6924, 11795), (7077, 11540), (8078, 10110), (8655, 9436)]