80977540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 201519360

約数和(自身を除く): 120541820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 89, 97, 134, 140, 178, 194, 268, 335, 356, 388, 445, 469, 485, 623, 670, 679, 890, 938, 970, 1246, 1340, 1358, 1780, 1876, 1940, 2345, 2492, 2716, 3115, 3395, 4690, 5963, 6230, 6499, 6790, 8633, 9380, 11926, 12460, 12998, 13580, 17266, 23852, 25996, 29815, 32495, 34532, 41741, 43165, 45493, 59630, 60431, 64990, 83482, 86330, 90986, 119260, 120862, 129980, 166964, 172660, 181972, 208705, 227465, 241724, 302155, 417410, 454930, 578411, 604310, 834820, 909860, 1156822, 1208620, 2313644, 2892055, 4048877, 5784110, 8097754, 11568220, 16195508, 20244385, 40488770, 80977540]

約数ペア:

[(1, 80977540), (2, 40488770), (4, 20244385), (5, 16195508), (7, 11568220), (10, 8097754), (14, 5784110), (20, 4048877), (28, 2892055), (35, 2313644), (67, 1208620), (70, 1156822), (89, 909860), (97, 834820), (134, 604310), (140, 578411), (178, 454930), (194, 417410), (268, 302155), (335, 241724), (356, 227465), (388, 208705), (445, 181972), (469, 172660), (485, 166964), (623, 129980), (670, 120862), (679, 119260), (890, 90986), (938, 86330), (970, 83482), (1246, 64990), (1340, 60431), (1358, 59630), (1780, 45493), (1876, 43165), (1940, 41741), (2345, 34532), (2492, 32495), (2716, 29815), (3115, 25996), (3395, 23852), (4690, 17266), (5963, 13580), (6230, 12998), (6499, 12460), (6790, 11926), (8633, 9380)]