78955740

素因数分解:

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

素因数の和:260

約数の個数: 108

約数和(自身を含む): 247519272

約数和(自身を除く): 168563532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 101, 129, 172, 180, 202, 215, 258, 303, 387, 404, 430, 505, 516, 606, 645, 774, 860, 909, 1010, 1212, 1290, 1515, 1548, 1818, 1935, 2020, 2580, 3030, 3636, 3870, 4343, 4545, 6060, 7740, 8686, 9090, 10201, 13029, 17372, 18180, 20402, 21715, 26058, 30603, 39087, 40804, 43430, 51005, 52116, 61206, 65145, 78174, 86860, 91809, 102010, 122412, 130290, 153015, 156348, 183618, 195435, 204020, 260580, 306030, 367236, 390870, 438643, 459045, 612060, 781740, 877286, 918090, 1315929, 1754572, 1836180, 2193215, 2631858, 3947787, 4386430, 5263716, 6579645, 7895574, 8772860, 13159290, 15791148, 19738935, 26318580, 39477870, 78955740]

約数ペア:

[(1, 78955740), (2, 39477870), (3, 26318580), (4, 19738935), (5, 15791148), (6, 13159290), (9, 8772860), (10, 7895574), (12, 6579645), (15, 5263716), (18, 4386430), (20, 3947787), (30, 2631858), (36, 2193215), (43, 1836180), (45, 1754572), (60, 1315929), (86, 918090), (90, 877286), (101, 781740), (129, 612060), (172, 459045), (180, 438643), (202, 390870), (215, 367236), (258, 306030), (303, 260580), (387, 204020), (404, 195435), (430, 183618), (505, 156348), (516, 153015), (606, 130290), (645, 122412), (774, 102010), (860, 91809), (909, 86860), (1010, 78174), (1212, 65145), (1290, 61206), (1515, 52116), (1548, 51005), (1818, 43430), (1935, 40804), (2020, 39087), (2580, 30603), (3030, 26058), (3636, 21715), (3870, 20402), (4343, 18180), (4545, 17372), (6060, 13029), (7740, 10201), (8686, 9090)]