279565920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 216

約数和(自身を含む): 1000018656

約数和(自身を除く): 720452736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 367, 368, 414, 460, 480, 529, 552, 690, 720, 734, 736, 828, 920, 1035, 1058, 1101, 1104, 1380, 1440, 1468, 1587, 1656, 1835, 1840, 2070, 2116, 2202, 2208, 2645, 2760, 2936, 3174, 3303, 3312, 3670, 3680, 4140, 4232, 4404, 4761, 5290, 5505, 5520, 5872, 6348, 6606, 6624, 7340, 7935, 8280, 8441, 8464, 8808, 9522, 10580, 11010, 11040, 11744, 12696, 13212, 14680, 15870, 16515, 16560, 16882, 16928, 17616, 19044, 21160, 22020, 23805, 25323, 25392, 26424, 29360, 31740, 33030, 33120, 33764, 35232, 38088, 42205, 42320, 44040, 47610, 50646, 50784, 52848, 58720, 63480, 66060, 67528, 75969, 76176, 84410, 84640, 88080, 95220, 101292, 105696, 126615, 126960, 132120, 135056, 151938, 152352, 168820, 176160, 190440, 194143, 202584, 253230, 253920, 264240, 270112, 303876, 337640, 379845, 380880, 388286, 405168, 506460, 528480, 582429, 607752, 675280, 759690, 761760, 776572, 810336, 970715, 1012920, 1164858, 1215504, 1350560, 1519380, 1553144, 1747287, 1941430, 2025840, 2329716, 2431008, 2912145, 3038760, 3106288, 3494574, 3882860, 4051680, 4659432, 5824290, 6077520, 6212576, 6989148, 7765720, 8736435, 9318864, 11648580, 12155040, 13978296, 15531440, 17472870, 18637728, 23297160, 27956592, 31062880, 34945740, 46594320, 55913184, 69891480, 93188640, 139782960, 279565920]

約数ペア:

[(1, 279565920), (2, 139782960), (3, 93188640), (4, 69891480), (5, 55913184), (6, 46594320), (8, 34945740), (9, 31062880), (10, 27956592), (12, 23297160), (15, 18637728), (16, 17472870), (18, 15531440), (20, 13978296), (23, 12155040), (24, 11648580), (30, 9318864), (32, 8736435), (36, 7765720), (40, 6989148), (45, 6212576), (46, 6077520), (48, 5824290), (60, 4659432), (69, 4051680), (72, 3882860), (80, 3494574), (90, 3106288), (92, 3038760), (96, 2912145), (115, 2431008), (120, 2329716), (138, 2025840), (144, 1941430), (160, 1747287), (180, 1553144), (184, 1519380), (207, 1350560), (230, 1215504), (240, 1164858), (276, 1012920), (288, 970715), (345, 810336), (360, 776572), (367, 761760), (368, 759690), (414, 675280), (460, 607752), (480, 582429), (529, 528480), (552, 506460), (690, 405168), (720, 388286), (734, 380880), (736, 379845), (828, 337640), (920, 303876), (1035, 270112), (1058, 264240), (1101, 253920), (1104, 253230), (1380, 202584), (1440, 194143), (1468, 190440), (1587, 176160), (1656, 168820), (1835, 152352), (1840, 151938), (2070, 135056), (2116, 132120), (2202, 126960), (2208, 126615), (2645, 105696), (2760, 101292), (2936, 95220), (3174, 88080), (3303, 84640), (3312, 84410), (3670, 76176), (3680, 75969), (4140, 67528), (4232, 66060), (4404, 63480), (4761, 58720), (5290, 52848), (5505, 50784), (5520, 50646), (5872, 47610), (6348, 44040), (6606, 42320), (6624, 42205), (7340, 38088), (7935, 35232), (8280, 33764), (8441, 33120), (8464, 33030), (8808, 31740), (9522, 29360), (10580, 26424), (11010, 25392), (11040, 25323), (11744, 23805), (12696, 22020), (13212, 21160), (14680, 19044), (15870, 17616), (16515, 16928), (16560, 16882)]