216689940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9479}}^1$

素因数の和:9621

約数の個数: 72

約数和(自身を含む): 662538240

約数和(自身を除く): 445848300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 9479, 11430, 18958, 22860, 28437, 37916, 47395, 56874, 85311, 94790, 113748, 142185, 170622, 189580, 284370, 341244, 426555, 568740, 853110, 1203833, 1706220, 2407666, 3611499, 4815332, 6019165, 7222998, 10834497, 12038330, 14445996, 18057495, 21668994, 24076660, 36114990, 43337988, 54172485, 72229980, 108344970, 216689940]

約数ペア:

[(1, 216689940), (2, 108344970), (3, 72229980), (4, 54172485), (5, 43337988), (6, 36114990), (9, 24076660), (10, 21668994), (12, 18057495), (15, 14445996), (18, 12038330), (20, 10834497), (30, 7222998), (36, 6019165), (45, 4815332), (60, 3611499), (90, 2407666), (127, 1706220), (180, 1203833), (254, 853110), (381, 568740), (508, 426555), (635, 341244), (762, 284370), (1143, 189580), (1270, 170622), (1524, 142185), (1905, 113748), (2286, 94790), (2540, 85311), (3810, 56874), (4572, 47395), (5715, 37916), (7620, 28437), (9479, 22860), (11430, 18958)]