6820240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 19105920

約数和(自身を除く): 12285680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 641, 665, 760, 1064, 1282, 1330, 1520, 2128, 2564, 2660, 3205, 4487, 5128, 5320, 6410, 8974, 10256, 10640, 12179, 12820, 17948, 22435, 24358, 25640, 35896, 44870, 48716, 51280, 60895, 71792, 85253, 89740, 97432, 121790, 170506, 179480, 194864, 243580, 341012, 358960, 426265, 487160, 682024, 852530, 974320, 1364048, 1705060, 3410120, 6820240]

約数ペア:

[(1, 6820240), (2, 3410120), (4, 1705060), (5, 1364048), (7, 974320), (8, 852530), (10, 682024), (14, 487160), (16, 426265), (19, 358960), (20, 341012), (28, 243580), (35, 194864), (38, 179480), (40, 170506), (56, 121790), (70, 97432), (76, 89740), (80, 85253), (95, 71792), (112, 60895), (133, 51280), (140, 48716), (152, 44870), (190, 35896), (266, 25640), (280, 24358), (304, 22435), (380, 17948), (532, 12820), (560, 12179), (641, 10640), (665, 10256), (760, 8974), (1064, 6410), (1282, 5320), (1330, 5128), (1520, 4487), (2128, 3205), (2564, 2660)]