220490280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3109}}^1$

素因数の和:3323

約数の個数: 96

約数和(自身を含む): 720462600

約数和(自身を除く): 499972320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3109, 3546, 3940, 4728, 5910, 6218, 7092, 7880, 8865, 9327, 11820, 12436, 14184, 15545, 17730, 18654, 23640, 24872, 27981, 31090, 35460, 37308, 46635, 55962, 62180, 70920, 74616, 93270, 111924, 124360, 139905, 186540, 223848, 279810, 373080, 559620, 612473, 1119240, 1224946, 1837419, 2449892, 3062365, 3674838, 4899784, 5512257, 6124730, 7349676, 9187095, 11024514, 12249460, 14699352, 18374190, 22049028, 24498920, 27561285, 36748380, 44098056, 55122570, 73496760, 110245140, 220490280]

約数ペア:

[(1, 220490280), (2, 110245140), (3, 73496760), (4, 55122570), (5, 44098056), (6, 36748380), (8, 27561285), (9, 24498920), (10, 22049028), (12, 18374190), (15, 14699352), (18, 12249460), (20, 11024514), (24, 9187095), (30, 7349676), (36, 6124730), (40, 5512257), (45, 4899784), (60, 3674838), (72, 3062365), (90, 2449892), (120, 1837419), (180, 1224946), (197, 1119240), (360, 612473), (394, 559620), (591, 373080), (788, 279810), (985, 223848), (1182, 186540), (1576, 139905), (1773, 124360), (1970, 111924), (2364, 93270), (2955, 74616), (3109, 70920), (3546, 62180), (3940, 55962), (4728, 46635), (5910, 37308), (6218, 35460), (7092, 31090), (7880, 27981), (8865, 24872), (9327, 23640), (11820, 18654), (12436, 17730), (14184, 15545)]