80519220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 254846592

約数和(自身を除く): 174327372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 101, 103, 129, 172, 180, 202, 206, 215, 258, 303, 309, 387, 404, 412, 430, 505, 515, 516, 606, 618, 645, 774, 860, 909, 927, 1010, 1030, 1212, 1236, 1290, 1515, 1545, 1548, 1818, 1854, 1935, 2020, 2060, 2580, 3030, 3090, 3636, 3708, 3870, 4343, 4429, 4545, 4635, 6060, 6180, 7740, 8686, 8858, 9090, 9270, 10403, 13029, 13287, 17372, 17716, 18180, 18540, 20806, 21715, 22145, 26058, 26574, 31209, 39087, 39861, 41612, 43430, 44290, 52015, 52116, 53148, 62418, 65145, 66435, 78174, 79722, 86860, 88580, 93627, 104030, 124836, 130290, 132870, 156045, 156348, 159444, 187254, 195435, 199305, 208060, 260580, 265740, 312090, 374508, 390870, 398610, 447329, 468135, 624180, 781740, 797220, 894658, 936270, 1341987, 1789316, 1872540, 2236645, 2683974, 4025961, 4473290, 5367948, 6709935, 8051922, 8946580, 13419870, 16103844, 20129805, 26839740, 40259610, 80519220]

約数ペア:

[(1, 80519220), (2, 40259610), (3, 26839740), (4, 20129805), (5, 16103844), (6, 13419870), (9, 8946580), (10, 8051922), (12, 6709935), (15, 5367948), (18, 4473290), (20, 4025961), (30, 2683974), (36, 2236645), (43, 1872540), (45, 1789316), (60, 1341987), (86, 936270), (90, 894658), (101, 797220), (103, 781740), (129, 624180), (172, 468135), (180, 447329), (202, 398610), (206, 390870), (215, 374508), (258, 312090), (303, 265740), (309, 260580), (387, 208060), (404, 199305), (412, 195435), (430, 187254), (505, 159444), (515, 156348), (516, 156045), (606, 132870), (618, 130290), (645, 124836), (774, 104030), (860, 93627), (909, 88580), (927, 86860), (1010, 79722), (1030, 78174), (1212, 66435), (1236, 65145), (1290, 62418), (1515, 53148), (1545, 52116), (1548, 52015), (1818, 44290), (1854, 43430), (1935, 41612), (2020, 39861), (2060, 39087), (2580, 31209), (3030, 26574), (3090, 26058), (3636, 22145), (3708, 21715), (3870, 20806), (4343, 18540), (4429, 18180), (4545, 17716), (4635, 17372), (6060, 13287), (6180, 13029), (7740, 10403), (8686, 9270), (8858, 9090)]