79452520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5791}}^1$

素因数の和:5823

約数の個数: 64

約数和(自身を含む): 208512000

約数和(自身を除く): 129059480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5791, 6860, 11582, 13720, 23164, 28955, 40537, 46328, 57910, 81074, 115820, 162148, 202685, 231640, 283759, 324296, 405370, 567518, 810740, 1135036, 1418795, 1621480, 1986313, 2270072, 2837590, 3972626, 5675180, 7945252, 9931565, 11350360, 15890504, 19863130, 39726260, 79452520]

約数ペア:

[(1, 79452520), (2, 39726260), (4, 19863130), (5, 15890504), (7, 11350360), (8, 9931565), (10, 7945252), (14, 5675180), (20, 3972626), (28, 2837590), (35, 2270072), (40, 1986313), (49, 1621480), (56, 1418795), (70, 1135036), (98, 810740), (140, 567518), (196, 405370), (245, 324296), (280, 283759), (343, 231640), (392, 202685), (490, 162148), (686, 115820), (980, 81074), (1372, 57910), (1715, 46328), (1960, 40537), (2744, 28955), (3430, 23164), (5791, 13720), (6860, 11582)]