254992500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 180

約数和(自身を含む): 921080160

約数和(自身を除く): 666087660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 625, 630, 700, 750, 875, 900, 1050, 1125, 1250, 1260, 1500, 1575, 1619, 1750, 1875, 2100, 2250, 2500, 2625, 3150, 3238, 3500, 3750, 4375, 4500, 4857, 5250, 5625, 6300, 6476, 7500, 7875, 8095, 8750, 9714, 10500, 11250, 11333, 13125, 14571, 15750, 16190, 17500, 19428, 22500, 22666, 24285, 26250, 29142, 31500, 32380, 33999, 39375, 40475, 45332, 48570, 52500, 56665, 58284, 67998, 72855, 78750, 80950, 97140, 101997, 113330, 121425, 135996, 145710, 157500, 161900, 169995, 202375, 203994, 226660, 242850, 283325, 291420, 339990, 364275, 404750, 407988, 485700, 509985, 566650, 607125, 679980, 728550, 809500, 849975, 1011875, 1019970, 1133300, 1214250, 1416625, 1457100, 1699950, 1821375, 2023750, 2039940, 2428500, 2549925, 2833250, 3035625, 3399900, 3642750, 4047500, 4249875, 5099850, 5666500, 6071250, 7083125, 7285500, 8499750, 9106875, 10199700, 12142500, 12749625, 14166250, 16999500, 18213750, 21249375, 25499250, 28332500, 36427500, 42498750, 50998500, 63748125, 84997500, 127496250, 254992500]

約数ペア:

[(1, 254992500), (2, 127496250), (3, 84997500), (4, 63748125), (5, 50998500), (6, 42498750), (7, 36427500), (9, 28332500), (10, 25499250), (12, 21249375), (14, 18213750), (15, 16999500), (18, 14166250), (20, 12749625), (21, 12142500), (25, 10199700), (28, 9106875), (30, 8499750), (35, 7285500), (36, 7083125), (42, 6071250), (45, 5666500), (50, 5099850), (60, 4249875), (63, 4047500), (70, 3642750), (75, 3399900), (84, 3035625), (90, 2833250), (100, 2549925), (105, 2428500), (125, 2039940), (126, 2023750), (140, 1821375), (150, 1699950), (175, 1457100), (180, 1416625), (210, 1214250), (225, 1133300), (250, 1019970), (252, 1011875), (300, 849975), (315, 809500), (350, 728550), (375, 679980), (420, 607125), (450, 566650), (500, 509985), (525, 485700), (625, 407988), (630, 404750), (700, 364275), (750, 339990), (875, 291420), (900, 283325), (1050, 242850), (1125, 226660), (1250, 203994), (1260, 202375), (1500, 169995), (1575, 161900), (1619, 157500), (1750, 145710), (1875, 135996), (2100, 121425), (2250, 113330), (2500, 101997), (2625, 97140), (3150, 80950), (3238, 78750), (3500, 72855), (3750, 67998), (4375, 58284), (4500, 56665), (4857, 52500), (5250, 48570), (5625, 45332), (6300, 40475), (6476, 39375), (7500, 33999), (7875, 32380), (8095, 31500), (8750, 29142), (9714, 26250), (10500, 24285), (11250, 22666), (11333, 22500), (13125, 19428), (14571, 17500), (15750, 16190)]