204109920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20249}}^1$

素因数の和:20277

約数の個数: 144

約数和(自身を含む): 796068000

約数和(自身を除く): 591958080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20249, 40498, 60747, 80996, 101245, 121494, 141743, 161992, 182241, 202490, 242988, 283486, 303735, 323984, 364482, 404980, 425229, 485976, 566972, 607470, 647968, 708715, 728964, 809960, 850458, 911205, 971952, 1133944, 1214940, 1275687, 1417430, 1457928, 1619920, 1700916, 1822410, 1943904, 2126145, 2267888, 2429880, 2551374, 2834860, 2915856, 3239840, 3401832, 3644820, 4252290, 4535776, 4859760, 5102748, 5669720, 5831712, 6378435, 6803664, 7289640, 8504580, 9719520, 10205496, 11339440, 12756870, 13607328, 14579280, 17009160, 20410992, 22678880, 25513740, 29158560, 34018320, 40821984, 51027480, 68036640, 102054960, 204109920]

約数ペア:

[(1, 204109920), (2, 102054960), (3, 68036640), (4, 51027480), (5, 40821984), (6, 34018320), (7, 29158560), (8, 25513740), (9, 22678880), (10, 20410992), (12, 17009160), (14, 14579280), (15, 13607328), (16, 12756870), (18, 11339440), (20, 10205496), (21, 9719520), (24, 8504580), (28, 7289640), (30, 6803664), (32, 6378435), (35, 5831712), (36, 5669720), (40, 5102748), (42, 4859760), (45, 4535776), (48, 4252290), (56, 3644820), (60, 3401832), (63, 3239840), (70, 2915856), (72, 2834860), (80, 2551374), (84, 2429880), (90, 2267888), (96, 2126145), (105, 1943904), (112, 1822410), (120, 1700916), (126, 1619920), (140, 1457928), (144, 1417430), (160, 1275687), (168, 1214940), (180, 1133944), (210, 971952), (224, 911205), (240, 850458), (252, 809960), (280, 728964), (288, 708715), (315, 647968), (336, 607470), (360, 566972), (420, 485976), (480, 425229), (504, 404980), (560, 364482), (630, 323984), (672, 303735), (720, 283486), (840, 242988), (1008, 202490), (1120, 182241), (1260, 161992), (1440, 141743), (1680, 121494), (2016, 101245), (2520, 80996), (3360, 60747), (5040, 40498), (10080, 20249)]