280130256

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:131

約数の個数: 270

約数和(自身を含む): 969605910

約数和(自身を除く): 689475654

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 37, 42, 48, 49, 56, 58, 63, 72, 74, 84, 87, 98, 111, 112, 116, 126, 144, 147, 148, 168, 174, 196, 203, 222, 232, 252, 259, 261, 294, 296, 333, 336, 348, 392, 406, 441, 444, 464, 504, 518, 522, 588, 592, 609, 666, 696, 777, 784, 812, 882, 888, 1008, 1036, 1044, 1073, 1176, 1218, 1332, 1369, 1392, 1421, 1554, 1624, 1764, 1776, 1813, 1827, 2072, 2088, 2146, 2331, 2352, 2436, 2664, 2738, 2842, 3108, 3219, 3248, 3528, 3626, 3654, 4107, 4144, 4176, 4263, 4292, 4662, 4872, 5328, 5439, 5476, 5684, 6216, 6438, 7056, 7252, 7308, 7511, 8214, 8526, 8584, 9324, 9583, 9657, 9744, 10878, 10952, 11368, 12321, 12432, 12789, 12876, 14504, 14616, 15022, 16317, 16428, 17052, 17168, 18648, 19166, 19314, 21756, 21904, 22533, 22736, 24642, 25578, 25752, 28749, 29008, 29232, 30044, 32634, 32856, 34104, 37296, 38332, 38628, 39701, 43512, 45066, 49284, 51156, 51504, 52577, 57498, 60088, 65268, 65712, 67081, 67599, 68208, 76664, 77256, 79402, 86247, 87024, 90132, 98568, 102312, 105154, 114996, 119103, 120176, 130536, 134162, 135198, 153328, 154512, 157731, 158804, 172494, 180264, 197136, 201243, 204624, 210308, 229992, 238206, 261072, 268324, 270396, 277907, 315462, 317608, 344988, 357309, 360528, 402486, 420616, 459984, 473193, 476412, 536648, 540792, 555814, 603729, 630924, 635216, 689976, 714618, 804972, 833721, 841232, 946386, 952824, 1073296, 1081584, 1111628, 1207458, 1261848, 1379952, 1429236, 1609944, 1667442, 1892772, 1905648, 1945349, 2223256, 2414916, 2501163, 2523696, 2858472, 3219888, 3334884, 3785544, 3890698, 4446512, 4829832, 5002326, 5716944, 5836047, 6669768, 7571088, 7781396, 9659664, 10004652, 11672094, 13339536, 15562792, 17508141, 20009304, 23344188, 31125584, 35016282, 40018608, 46688376, 70032564, 93376752, 140065128, 280130256]

約数ペア:

[(1, 280130256), (2, 140065128), (3, 93376752), (4, 70032564), (6, 46688376), (7, 40018608), (8, 35016282), (9, 31125584), (12, 23344188), (14, 20009304), (16, 17508141), (18, 15562792), (21, 13339536), (24, 11672094), (28, 10004652), (29, 9659664), (36, 7781396), (37, 7571088), (42, 6669768), (48, 5836047), (49, 5716944), (56, 5002326), (58, 4829832), (63, 4446512), (72, 3890698), (74, 3785544), (84, 3334884), (87, 3219888), (98, 2858472), (111, 2523696), (112, 2501163), (116, 2414916), (126, 2223256), (144, 1945349), (147, 1905648), (148, 1892772), (168, 1667442), (174, 1609944), (196, 1429236), (203, 1379952), (222, 1261848), (232, 1207458), (252, 1111628), (259, 1081584), (261, 1073296), (294, 952824), (296, 946386), (333, 841232), (336, 833721), (348, 804972), (392, 714618), (406, 689976), (441, 635216), (444, 630924), (464, 603729), (504, 555814), (518, 540792), (522, 536648), (588, 476412), (592, 473193), (609, 459984), (666, 420616), (696, 402486), (777, 360528), (784, 357309), (812, 344988), (882, 317608), (888, 315462), (1008, 277907), (1036, 270396), (1044, 268324), (1073, 261072), (1176, 238206), (1218, 229992), (1332, 210308), (1369, 204624), (1392, 201243), (1421, 197136), (1554, 180264), (1624, 172494), (1764, 158804), (1776, 157731), (1813, 154512), (1827, 153328), (2072, 135198), (2088, 134162), (2146, 130536), (2331, 120176), (2352, 119103), (2436, 114996), (2664, 105154), (2738, 102312), (2842, 98568), (3108, 90132), (3219, 87024), (3248, 86247), (3528, 79402), (3626, 77256), (3654, 76664), (4107, 68208), (4144, 67599), (4176, 67081), (4263, 65712), (4292, 65268), (4662, 60088), (4872, 57498), (5328, 52577), (5439, 51504), (5476, 51156), (5684, 49284), (6216, 45066), (6438, 43512), (7056, 39701), (7252, 38628), (7308, 38332), (7511, 37296), (8214, 34104), (8526, 32856), (8584, 32634), (9324, 30044), (9583, 29232), (9657, 29008), (9744, 28749), (10878, 25752), (10952, 25578), (11368, 24642), (12321, 22736), (12432, 22533), (12789, 21904), (12876, 21756), (14504, 19314), (14616, 19166), (15022, 18648), (16317, 17168), (16428, 17052)]