280158480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2647}}^1$

素因数の和:2683

約数の個数: 240

約数和(自身を含む): 1122963840

約数和(自身を除く): 842805360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2647, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5294, 5880, 6615, 7056, 7560, 7941, 8820, 10584, 10588, 11760, 13230, 13235, 15120, 15882, 17640, 18529, 21168, 21176, 23823, 26460, 26470, 31764, 35280, 37058, 39705, 42352, 47646, 52920, 52940, 55587, 63528, 71469, 74116, 79410, 92645, 95292, 105840, 105880, 111174, 119115, 127056, 129703, 142938, 148232, 158820, 166761, 185290, 190584, 211760, 222348, 238230, 259406, 277935, 285876, 296464, 317640, 333522, 357345, 370580, 381168, 389109, 444696, 476460, 500283, 518812, 555870, 571752, 635280, 648515, 667044, 714690, 741160, 778218, 833805, 889392, 952920, 1000566, 1037624, 1111740, 1143504, 1167327, 1297030, 1334088, 1429380, 1482320, 1556436, 1667610, 1905840, 1945545, 2001132, 2075248, 2223480, 2334654, 2501415, 2594060, 2668176, 2858760, 3112872, 3335220, 3501981, 3891090, 4002264, 4446960, 4669308, 5002830, 5188120, 5717520, 5836635, 6225744, 6670440, 7003962, 7782180, 8004528, 9338616, 10005660, 10376240, 11673270, 13340880, 14007924, 15564360, 17509905, 18677232, 20011320, 23346540, 28015848, 31128720, 35019810, 40022640, 46693080, 56031696, 70039620, 93386160, 140079240, 280158480]

約数ペア:

[(1, 280158480), (2, 140079240), (3, 93386160), (4, 70039620), (5, 56031696), (6, 46693080), (7, 40022640), (8, 35019810), (9, 31128720), (10, 28015848), (12, 23346540), (14, 20011320), (15, 18677232), (16, 17509905), (18, 15564360), (20, 14007924), (21, 13340880), (24, 11673270), (27, 10376240), (28, 10005660), (30, 9338616), (35, 8004528), (36, 7782180), (40, 7003962), (42, 6670440), (45, 6225744), (48, 5836635), (49, 5717520), (54, 5188120), (56, 5002830), (60, 4669308), (63, 4446960), (70, 4002264), (72, 3891090), (80, 3501981), (84, 3335220), (90, 3112872), (98, 2858760), (105, 2668176), (108, 2594060), (112, 2501415), (120, 2334654), (126, 2223480), (135, 2075248), (140, 2001132), (144, 1945545), (147, 1905840), (168, 1667610), (180, 1556436), (189, 1482320), (196, 1429380), (210, 1334088), (216, 1297030), (240, 1167327), (245, 1143504), (252, 1111740), (270, 1037624), (280, 1000566), (294, 952920), (315, 889392), (336, 833805), (360, 778218), (378, 741160), (392, 714690), (420, 667044), (432, 648515), (441, 635280), (490, 571752), (504, 555870), (540, 518812), (560, 500283), (588, 476460), (630, 444696), (720, 389109), (735, 381168), (756, 370580), (784, 357345), (840, 333522), (882, 317640), (945, 296464), (980, 285876), (1008, 277935), (1080, 259406), (1176, 238230), (1260, 222348), (1323, 211760), (1470, 190584), (1512, 185290), (1680, 166761), (1764, 158820), (1890, 148232), (1960, 142938), (2160, 129703), (2205, 127056), (2352, 119115), (2520, 111174), (2646, 105880), (2647, 105840), (2940, 95292), (3024, 92645), (3528, 79410), (3780, 74116), (3920, 71469), (4410, 63528), (5040, 55587), (5292, 52940), (5294, 52920), (5880, 47646), (6615, 42352), (7056, 39705), (7560, 37058), (7941, 35280), (8820, 31764), (10584, 26470), (10588, 26460), (11760, 23823), (13230, 21176), (13235, 21168), (15120, 18529), (15882, 17640)]