2165520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 7678080

約数和(自身を除く): 5512560

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, 1289, 1680, 2578, 3867, 5156, 6445, 7734, 9023, 10312, 12890, 15468, 18046, 19335, 20624, 25780, 27069, 30936, 36092, 38670, 45115, 51560, 54138, 61872, 72184, 77340, 90230, 103120, 108276, 135345, 144368, 154680, 180460, 216552, 270690, 309360, 360920, 433104, 541380, 721840, 1082760, 2165520]

約数ペア:

[(1, 2165520), (2, 1082760), (3, 721840), (4, 541380), (5, 433104), (6, 360920), (7, 309360), (8, 270690), (10, 216552), (12, 180460), (14, 154680), (15, 144368), (16, 135345), (20, 108276), (21, 103120), (24, 90230), (28, 77340), (30, 72184), (35, 61872), (40, 54138), (42, 51560), (48, 45115), (56, 38670), (60, 36092), (70, 30936), (80, 27069), (84, 25780), (105, 20624), (112, 19335), (120, 18046), (140, 15468), (168, 12890), (210, 10312), (240, 9023), (280, 7734), (336, 6445), (420, 5156), (560, 3867), (840, 2578), (1289, 1680)]