261107280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 240

約数和(自身を含む): 1046629440

約数和(自身を除く): 785522160

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, 2467, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 4934, 5040, 5292, 5880, 6615, 7056, 7401, 7560, 8820, 9868, 10584, 11760, 12335, 13230, 14802, 15120, 17269, 17640, 19736, 21168, 22203, 24670, 26460, 29604, 34538, 35280, 37005, 39472, 44406, 49340, 51807, 52920, 59208, 66609, 69076, 74010, 86345, 88812, 98680, 103614, 105840, 111015, 118416, 120883, 133218, 138152, 148020, 155421, 172690, 177624, 197360, 207228, 222030, 241766, 259035, 266436, 276304, 296040, 310842, 333045, 345380, 355248, 362649, 414456, 444060, 466263, 483532, 518070, 532872, 592080, 604415, 621684, 666090, 690760, 725298, 777105, 828912, 888120, 932526, 967064, 1036140, 1065744, 1087947, 1208830, 1243368, 1332180, 1381520, 1450596, 1554210, 1776240, 1813245, 1865052, 1934128, 2072280, 2175894, 2331315, 2417660, 2486736, 2664360, 2901192, 3108420, 3263841, 3626490, 3730104, 4144560, 4351788, 4662630, 4835320, 5328720, 5439735, 5802384, 6216840, 6527682, 7252980, 7460208, 8703576, 9325260, 9670640, 10879470, 12433680, 13055364, 14505960, 16319205, 17407152, 18650520, 21758940, 26110728, 29011920, 32638410, 37301040, 43517880, 52221456, 65276820, 87035760, 130553640, 261107280]

約数ペア:

[(1, 261107280), (2, 130553640), (3, 87035760), (4, 65276820), (5, 52221456), (6, 43517880), (7, 37301040), (8, 32638410), (9, 29011920), (10, 26110728), (12, 21758940), (14, 18650520), (15, 17407152), (16, 16319205), (18, 14505960), (20, 13055364), (21, 12433680), (24, 10879470), (27, 9670640), (28, 9325260), (30, 8703576), (35, 7460208), (36, 7252980), (40, 6527682), (42, 6216840), (45, 5802384), (48, 5439735), (49, 5328720), (54, 4835320), (56, 4662630), (60, 4351788), (63, 4144560), (70, 3730104), (72, 3626490), (80, 3263841), (84, 3108420), (90, 2901192), (98, 2664360), (105, 2486736), (108, 2417660), (112, 2331315), (120, 2175894), (126, 2072280), (135, 1934128), (140, 1865052), (144, 1813245), (147, 1776240), (168, 1554210), (180, 1450596), (189, 1381520), (196, 1332180), (210, 1243368), (216, 1208830), (240, 1087947), (245, 1065744), (252, 1036140), (270, 967064), (280, 932526), (294, 888120), (315, 828912), (336, 777105), (360, 725298), (378, 690760), (392, 666090), (420, 621684), (432, 604415), (441, 592080), (490, 532872), (504, 518070), (540, 483532), (560, 466263), (588, 444060), (630, 414456), (720, 362649), (735, 355248), (756, 345380), (784, 333045), (840, 310842), (882, 296040), (945, 276304), (980, 266436), (1008, 259035), (1080, 241766), (1176, 222030), (1260, 207228), (1323, 197360), (1470, 177624), (1512, 172690), (1680, 155421), (1764, 148020), (1890, 138152), (1960, 133218), (2160, 120883), (2205, 118416), (2352, 111015), (2467, 105840), (2520, 103614), (2646, 98680), (2940, 88812), (3024, 86345), (3528, 74010), (3780, 69076), (3920, 66609), (4410, 59208), (4934, 52920), (5040, 51807), (5292, 49340), (5880, 44406), (6615, 39472), (7056, 37005), (7401, 35280), (7560, 34538), (8820, 29604), (9868, 26460), (10584, 24670), (11760, 22203), (12335, 21168), (13230, 19736), (14802, 17640), (15120, 17269)]