280008960

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 288

約数和(自身を含む): 1116122112

約数和(自身を除く): 836113152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 768, 770, 840, 880, 896, 924, 947, 960, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1408, 1540, 1680, 1760, 1792, 1848, 1894, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 2816, 2841, 3080, 3360, 3520, 3696, 3788, 3840, 4224, 4480, 4620, 4735, 4928, 5280, 5376, 5682, 6160, 6629, 6720, 7040, 7392, 7576, 8448, 8960, 9240, 9470, 9856, 10417, 10560, 11364, 12320, 13258, 13440, 14080, 14205, 14784, 15152, 18480, 18940, 19712, 19887, 20834, 21120, 22728, 24640, 26516, 26880, 28410, 29568, 30304, 31251, 33145, 36960, 37880, 39774, 41668, 42240, 45456, 49280, 52085, 53032, 56820, 59136, 60608, 62502, 66290, 72919, 73920, 75760, 79548, 83336, 90912, 98560, 99435, 104170, 106064, 113640, 121216, 125004, 132580, 145838, 147840, 151520, 156255, 159096, 166672, 181824, 198870, 208340, 212128, 218757, 227280, 242432, 250008, 265160, 291676, 295680, 303040, 312510, 318192, 333344, 363648, 364595, 397740, 416680, 424256, 437514, 454560, 500016, 530320, 583352, 606080, 625020, 636384, 666688, 727296, 729190, 795480, 833360, 848512, 875028, 909120, 1000032, 1060640, 1093785, 1166704, 1212160, 1250040, 1272768, 1333376, 1458380, 1590960, 1666720, 1697024, 1750056, 1818240, 2000064, 2121280, 2187570, 2333408, 2500080, 2545536, 2666752, 2916760, 3181920, 3333440, 3500112, 3636480, 4000128, 4242560, 4375140, 4666816, 5000160, 5091072, 5833520, 6363840, 6666880, 7000224, 8000256, 8485120, 8750280, 9333632, 10000320, 11667040, 12727680, 13333760, 14000448, 17500560, 18667264, 20000640, 23334080, 25455360, 28000896, 35001120, 40001280, 46668160, 56001792, 70002240, 93336320, 140004480, 280008960]

約数ペア:

[(1, 280008960), (2, 140004480), (3, 93336320), (4, 70002240), (5, 56001792), (6, 46668160), (7, 40001280), (8, 35001120), (10, 28000896), (11, 25455360), (12, 23334080), (14, 20000640), (15, 18667264), (16, 17500560), (20, 14000448), (21, 13333760), (22, 12727680), (24, 11667040), (28, 10000320), (30, 9333632), (32, 8750280), (33, 8485120), (35, 8000256), (40, 7000224), (42, 6666880), (44, 6363840), (48, 5833520), (55, 5091072), (56, 5000160), (60, 4666816), (64, 4375140), (66, 4242560), (70, 4000128), (77, 3636480), (80, 3500112), (84, 3333440), (88, 3181920), (96, 2916760), (105, 2666752), (110, 2545536), (112, 2500080), (120, 2333408), (128, 2187570), (132, 2121280), (140, 2000064), (154, 1818240), (160, 1750056), (165, 1697024), (168, 1666720), (176, 1590960), (192, 1458380), (210, 1333376), (220, 1272768), (224, 1250040), (231, 1212160), (240, 1166704), (256, 1093785), (264, 1060640), (280, 1000032), (308, 909120), (320, 875028), (330, 848512), (336, 833360), (352, 795480), (384, 729190), (385, 727296), (420, 666688), (440, 636384), (448, 625020), (462, 606080), (480, 583352), (528, 530320), (560, 500016), (616, 454560), (640, 437514), (660, 424256), (672, 416680), (704, 397740), (768, 364595), (770, 363648), (840, 333344), (880, 318192), (896, 312510), (924, 303040), (947, 295680), (960, 291676), (1056, 265160), (1120, 250008), (1155, 242432), (1232, 227280), (1280, 218757), (1320, 212128), (1344, 208340), (1408, 198870), (1540, 181824), (1680, 166672), (1760, 159096), (1792, 156255), (1848, 151520), (1894, 147840), (1920, 145838), (2112, 132580), (2240, 125004), (2310, 121216), (2464, 113640), (2640, 106064), (2688, 104170), (2816, 99435), (2841, 98560), (3080, 90912), (3360, 83336), (3520, 79548), (3696, 75760), (3788, 73920), (3840, 72919), (4224, 66290), (4480, 62502), (4620, 60608), (4735, 59136), (4928, 56820), (5280, 53032), (5376, 52085), (5682, 49280), (6160, 45456), (6629, 42240), (6720, 41668), (7040, 39774), (7392, 37880), (7576, 36960), (8448, 33145), (8960, 31251), (9240, 30304), (9470, 29568), (9856, 28410), (10417, 26880), (10560, 26516), (11364, 24640), (12320, 22728), (13258, 21120), (13440, 20834), (14080, 19887), (14205, 19712), (14784, 18940), (15152, 18480)]