155985900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{74279}}^1$

素因数の和:74303

約数の個数: 72

約数和(自身を含む): 515800320

約数和(自身を除く): 359814420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 74279, 148558, 222837, 297116, 371395, 445674, 519953, 742790, 891348, 1039906, 1114185, 1485580, 1559859, 1856975, 2079812, 2228370, 2599765, 3119718, 3713950, 4456740, 5199530, 5570925, 6239436, 7427900, 7799295, 10399060, 11141850, 12998825, 15598590, 22283700, 25997650, 31197180, 38996475, 51995300, 77992950, 155985900]

約数ペア:

[(1, 155985900), (2, 77992950), (3, 51995300), (4, 38996475), (5, 31197180), (6, 25997650), (7, 22283700), (10, 15598590), (12, 12998825), (14, 11141850), (15, 10399060), (20, 7799295), (21, 7427900), (25, 6239436), (28, 5570925), (30, 5199530), (35, 4456740), (42, 3713950), (50, 3119718), (60, 2599765), (70, 2228370), (75, 2079812), (84, 1856975), (100, 1559859), (105, 1485580), (140, 1114185), (150, 1039906), (175, 891348), (210, 742790), (300, 519953), (350, 445674), (420, 371395), (525, 297116), (700, 222837), (1050, 148558), (2100, 74279)]