72003120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42859}}^1$

素因数の和:42882

約数の個数: 80

約数和(自身を含む): 255102720

約数和(自身を除く): 183099600

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, 42859, 85718, 128577, 171436, 214295, 257154, 300013, 342872, 428590, 514308, 600026, 642885, 685744, 857180, 900039, 1028616, 1200052, 1285770, 1500065, 1714360, 1800078, 2057232, 2400104, 2571540, 3000130, 3428720, 3600156, 4500195, 4800208, 5143080, 6000260, 7200312, 9000390, 10286160, 12000520, 14400624, 18000780, 24001040, 36001560, 72003120]

約数ペア:

[(1, 72003120), (2, 36001560), (3, 24001040), (4, 18000780), (5, 14400624), (6, 12000520), (7, 10286160), (8, 9000390), (10, 7200312), (12, 6000260), (14, 5143080), (15, 4800208), (16, 4500195), (20, 3600156), (21, 3428720), (24, 3000130), (28, 2571540), (30, 2400104), (35, 2057232), (40, 1800078), (42, 1714360), (48, 1500065), (56, 1285770), (60, 1200052), (70, 1028616), (80, 900039), (84, 857180), (105, 685744), (112, 642885), (120, 600026), (140, 514308), (168, 428590), (210, 342872), (240, 300013), (280, 257154), (336, 214295), (420, 171436), (560, 128577), (840, 85718), (1680, 42859)]