72976568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 166406400

約数和(自身を除く): 93429832

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 107, 133, 152, 214, 266, 428, 532, 641, 749, 856, 1064, 1282, 1498, 2033, 2564, 2996, 4066, 4487, 5128, 5992, 8132, 8974, 12179, 14231, 16264, 17948, 24358, 28462, 35896, 48716, 56924, 68587, 85253, 97432, 113848, 137174, 170506, 274348, 341012, 480109, 548696, 682024, 960218, 1303153, 1920436, 2606306, 3840872, 5212612, 9122071, 10425224, 18244142, 36488284, 72976568]

約数ペア:

[(1, 72976568), (2, 36488284), (4, 18244142), (7, 10425224), (8, 9122071), (14, 5212612), (19, 3840872), (28, 2606306), (38, 1920436), (56, 1303153), (76, 960218), (107, 682024), (133, 548696), (152, 480109), (214, 341012), (266, 274348), (428, 170506), (532, 137174), (641, 113848), (749, 97432), (856, 85253), (1064, 68587), (1282, 56924), (1498, 48716), (2033, 35896), (2564, 28462), (2996, 24358), (4066, 17948), (4487, 16264), (5128, 14231), (5992, 12179), (8132, 8974)]