171891540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3631}}^1$

素因数の和:3909

約数の個数: 72

約数和(自身を含む): 523531008

約数和(自身を除く): 351639468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3631, 3945, 4734, 5260, 7262, 7890, 9468, 10893, 11835, 14524, 15780, 18155, 21786, 23670, 32679, 36310, 43572, 47340, 54465, 65358, 72620, 108930, 130716, 163395, 217860, 326790, 653580, 954953, 1909906, 2864859, 3819812, 4774765, 5729718, 8594577, 9549530, 11459436, 14324295, 17189154, 19099060, 28648590, 34378308, 42972885, 57297180, 85945770, 171891540]

約数ペア:

[(1, 171891540), (2, 85945770), (3, 57297180), (4, 42972885), (5, 34378308), (6, 28648590), (9, 19099060), (10, 17189154), (12, 14324295), (15, 11459436), (18, 9549530), (20, 8594577), (30, 5729718), (36, 4774765), (45, 3819812), (60, 2864859), (90, 1909906), (180, 954953), (263, 653580), (526, 326790), (789, 217860), (1052, 163395), (1315, 130716), (1578, 108930), (2367, 72620), (2630, 65358), (3156, 54465), (3631, 47340), (3945, 43572), (4734, 36310), (5260, 32679), (7262, 23670), (7890, 21786), (9468, 18155), (10893, 15780), (11835, 14524)]