13012720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1262

約数の個数: 80

約数和(自身を含む): 36426240

約数和(自身を除く): 23413520

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, 665, 760, 1064, 1223, 1330, 1520, 2128, 2446, 2660, 4892, 5320, 6115, 8561, 9784, 10640, 12230, 17122, 19568, 23237, 24460, 34244, 42805, 46474, 48920, 68488, 85610, 92948, 97840, 116185, 136976, 162659, 171220, 185896, 232370, 325318, 342440, 371792, 464740, 650636, 684880, 813295, 929480, 1301272, 1626590, 1858960, 2602544, 3253180, 6506360, 13012720]

約数ペア:

[(1, 13012720), (2, 6506360), (4, 3253180), (5, 2602544), (7, 1858960), (8, 1626590), (10, 1301272), (14, 929480), (16, 813295), (19, 684880), (20, 650636), (28, 464740), (35, 371792), (38, 342440), (40, 325318), (56, 232370), (70, 185896), (76, 171220), (80, 162659), (95, 136976), (112, 116185), (133, 97840), (140, 92948), (152, 85610), (190, 68488), (266, 48920), (280, 46474), (304, 42805), (380, 34244), (532, 24460), (560, 23237), (665, 19568), (760, 17122), (1064, 12230), (1223, 10640), (1330, 9784), (1520, 8561), (2128, 6115), (2446, 5320), (2660, 4892)]