205025520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122039}}^1$

素因数の和:122062

約数の個数: 80

約数和(自身を含む): 726382080

約数和(自身を除く): 521356560

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, 122039, 244078, 366117, 488156, 610195, 732234, 854273, 976312, 1220390, 1464468, 1708546, 1830585, 1952624, 2440780, 2562819, 2928936, 3417092, 3661170, 4271365, 4881560, 5125638, 5857872, 6834184, 7322340, 8542730, 9763120, 10251276, 12814095, 13668368, 14644680, 17085460, 20502552, 25628190, 29289360, 34170920, 41005104, 51256380, 68341840, 102512760, 205025520]

約数ペア:

[(1, 205025520), (2, 102512760), (3, 68341840), (4, 51256380), (5, 41005104), (6, 34170920), (7, 29289360), (8, 25628190), (10, 20502552), (12, 17085460), (14, 14644680), (15, 13668368), (16, 12814095), (20, 10251276), (21, 9763120), (24, 8542730), (28, 7322340), (30, 6834184), (35, 5857872), (40, 5125638), (42, 4881560), (48, 4271365), (56, 3661170), (60, 3417092), (70, 2928936), (80, 2562819), (84, 2440780), (105, 1952624), (112, 1830585), (120, 1708546), (140, 1464468), (168, 1220390), (210, 976312), (240, 854273), (280, 732234), (336, 610195), (420, 488156), (560, 366117), (840, 244078), (1680, 122039)]