210720720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{125429}}^1$

素因数の和:125452

約数の個数: 80

約数和(自身を含む): 746559360

約数和(自身を除く): 535838640

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, 125429, 250858, 376287, 501716, 627145, 752574, 878003, 1003432, 1254290, 1505148, 1756006, 1881435, 2006864, 2508580, 2634009, 3010296, 3512012, 3762870, 4390015, 5017160, 5268018, 6020592, 7024024, 7525740, 8780030, 10034320, 10536036, 13170045, 14048048, 15051480, 17560060, 21072072, 26340090, 30102960, 35120120, 42144144, 52680180, 70240240, 105360360, 210720720]

約数ペア:

[(1, 210720720), (2, 105360360), (3, 70240240), (4, 52680180), (5, 42144144), (6, 35120120), (7, 30102960), (8, 26340090), (10, 21072072), (12, 17560060), (14, 15051480), (15, 14048048), (16, 13170045), (20, 10536036), (21, 10034320), (24, 8780030), (28, 7525740), (30, 7024024), (35, 6020592), (40, 5268018), (42, 5017160), (48, 4390015), (56, 3762870), (60, 3512012), (70, 3010296), (80, 2634009), (84, 2508580), (105, 2006864), (112, 1881435), (120, 1756006), (140, 1505148), (168, 1254290), (210, 1003432), (240, 878003), (280, 752574), (336, 627145), (420, 501716), (560, 376287), (840, 250858), (1680, 125429)]