86820720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51679}}^1$

素因数の和:51702

約数の個数: 80

約数和(自身を含む): 307599360

約数和(自身を除く): 220778640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 51679, 103358, 155037, 206716, 258395, 310074, 361753, 413432, 516790, 620148, 723506, 775185, 826864, 1033580, 1085259, 1240296, 1447012, 1550370, 1808765, 2067160, 2170518, 2480592, 2894024, 3100740, 3617530, 4134320, 4341036, 5426295, 5788048, 6201480, 7235060, 8682072, 10852590, 12402960, 14470120, 17364144, 21705180, 28940240, 43410360, 86820720]

約数ペア:

[(1, 86820720), (2, 43410360), (3, 28940240), (4, 21705180), (5, 17364144), (6, 14470120), (7, 12402960), (8, 10852590), (10, 8682072), (12, 7235060), (14, 6201480), (15, 5788048), (16, 5426295), (20, 4341036), (21, 4134320), (24, 3617530), (28, 3100740), (30, 2894024), (35, 2480592), (40, 2170518), (42, 2067160), (48, 1808765), (56, 1550370), (60, 1447012), (70, 1240296), (80, 1085259), (84, 1033580), (105, 826864), (112, 775185), (120, 723506), (140, 620148), (168, 516790), (210, 413432), (240, 361753), (280, 310074), (336, 258395), (420, 206716), (560, 155037), (840, 103358), (1680, 51679)]