280521864

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 192

約数和(自身を含む): 912912000

約数和(自身を除く): 632390136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 49, 56, 63, 72, 74, 84, 98, 111, 126, 147, 148, 168, 196, 222, 252, 259, 294, 296, 307, 333, 343, 392, 441, 444, 504, 518, 588, 614, 666, 686, 777, 882, 888, 921, 1029, 1036, 1176, 1228, 1332, 1372, 1554, 1764, 1813, 1842, 2058, 2072, 2149, 2331, 2456, 2664, 2744, 2763, 3087, 3108, 3528, 3626, 3684, 4116, 4298, 4662, 5439, 5526, 6174, 6216, 6447, 7252, 7368, 8232, 8596, 9324, 10878, 11052, 11359, 12348, 12691, 12894, 14504, 15043, 16317, 17192, 18648, 19341, 21756, 22104, 22718, 24696, 25382, 25788, 30086, 32634, 34077, 38073, 38682, 43512, 45129, 45436, 50764, 51576, 60172, 65268, 68154, 76146, 77364, 79513, 90258, 90872, 101528, 102231, 105301, 114219, 120344, 130536, 135387, 136308, 152292, 154728, 159026, 180516, 204462, 210602, 228438, 238539, 270774, 272616, 304584, 315903, 318052, 361032, 408924, 421204, 456876, 477078, 541548, 556591, 631806, 636104, 715617, 817848, 842408, 913752, 947709, 954156, 1083096, 1113182, 1263612, 1431234, 1669773, 1895418, 1908312, 2226364, 2527224, 2862468, 3339546, 3790836, 3896137, 4452728, 5009319, 5724936, 6679092, 7581672, 7792274, 10018638, 11688411, 13358184, 15584548, 20037276, 23376822, 31169096, 35065233, 40074552, 46753644, 70130466, 93507288, 140260932, 280521864]

約数ペア:

[(1, 280521864), (2, 140260932), (3, 93507288), (4, 70130466), (6, 46753644), (7, 40074552), (8, 35065233), (9, 31169096), (12, 23376822), (14, 20037276), (18, 15584548), (21, 13358184), (24, 11688411), (28, 10018638), (36, 7792274), (37, 7581672), (42, 6679092), (49, 5724936), (56, 5009319), (63, 4452728), (72, 3896137), (74, 3790836), (84, 3339546), (98, 2862468), (111, 2527224), (126, 2226364), (147, 1908312), (148, 1895418), (168, 1669773), (196, 1431234), (222, 1263612), (252, 1113182), (259, 1083096), (294, 954156), (296, 947709), (307, 913752), (333, 842408), (343, 817848), (392, 715617), (441, 636104), (444, 631806), (504, 556591), (518, 541548), (588, 477078), (614, 456876), (666, 421204), (686, 408924), (777, 361032), (882, 318052), (888, 315903), (921, 304584), (1029, 272616), (1036, 270774), (1176, 238539), (1228, 228438), (1332, 210602), (1372, 204462), (1554, 180516), (1764, 159026), (1813, 154728), (1842, 152292), (2058, 136308), (2072, 135387), (2149, 130536), (2331, 120344), (2456, 114219), (2664, 105301), (2744, 102231), (2763, 101528), (3087, 90872), (3108, 90258), (3528, 79513), (3626, 77364), (3684, 76146), (4116, 68154), (4298, 65268), (4662, 60172), (5439, 51576), (5526, 50764), (6174, 45436), (6216, 45129), (6447, 43512), (7252, 38682), (7368, 38073), (8232, 34077), (8596, 32634), (9324, 30086), (10878, 25788), (11052, 25382), (11359, 24696), (12348, 22718), (12691, 22104), (12894, 21756), (14504, 19341), (15043, 18648), (16317, 17192)]