278938240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 837216000

約数和(自身を除く): 558277760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 32, 35, 38, 40, 56, 58, 64, 70, 76, 80, 95, 112, 113, 116, 128, 133, 140, 145, 152, 160, 190, 203, 224, 226, 232, 266, 280, 290, 304, 320, 380, 406, 448, 452, 464, 532, 551, 560, 565, 580, 608, 640, 665, 760, 791, 812, 896, 904, 928, 1015, 1064, 1102, 1120, 1130, 1160, 1216, 1330, 1520, 1582, 1624, 1808, 1856, 2030, 2128, 2147, 2204, 2240, 2260, 2320, 2432, 2660, 2755, 3040, 3164, 3248, 3277, 3616, 3712, 3857, 3955, 4060, 4256, 4294, 4408, 4480, 4520, 4640, 5320, 5510, 6080, 6328, 6496, 6554, 7232, 7714, 7910, 8120, 8512, 8588, 8816, 9040, 9280, 10640, 10735, 11020, 12160, 12656, 12992, 13108, 14464, 15029, 15428, 15820, 16240, 16385, 17024, 17176, 17632, 18080, 18560, 19285, 21280, 21470, 22040, 22939, 25312, 25984, 26216, 30058, 30856, 31640, 32480, 32770, 34352, 35264, 36160, 38570, 42560, 42940, 44080, 45878, 50624, 52432, 60116, 61712, 62263, 63280, 64960, 65540, 68704, 70528, 72320, 75145, 77140, 85120, 85880, 88160, 91756, 101248, 104864, 114695, 120232, 123424, 124526, 126560, 129920, 131080, 137408, 150290, 154280, 171760, 176320, 183512, 209728, 229390, 240464, 246848, 249052, 253120, 262160, 274816, 300580, 308560, 311315, 343520, 352640, 367024, 419456, 435841, 458780, 480928, 493696, 498104, 506240, 524320, 601160, 617120, 622630, 687040, 734048, 871682, 917560, 961856, 996208, 1048640, 1202320, 1234240, 1245260, 1374080, 1468096, 1743364, 1835120, 1923712, 1992416, 2097280, 2179205, 2404640, 2468480, 2490520, 2936192, 3486728, 3670240, 3984832, 4358410, 4809280, 4981040, 6973456, 7340480, 7969664, 8716820, 9618560, 9962080, 13946912, 14680960, 17433640, 19924160, 27893824, 34867280, 39848320, 55787648, 69734560, 139469120, 278938240]

約数ペア:

[(1, 278938240), (2, 139469120), (4, 69734560), (5, 55787648), (7, 39848320), (8, 34867280), (10, 27893824), (14, 19924160), (16, 17433640), (19, 14680960), (20, 13946912), (28, 9962080), (29, 9618560), (32, 8716820), (35, 7969664), (38, 7340480), (40, 6973456), (56, 4981040), (58, 4809280), (64, 4358410), (70, 3984832), (76, 3670240), (80, 3486728), (95, 2936192), (112, 2490520), (113, 2468480), (116, 2404640), (128, 2179205), (133, 2097280), (140, 1992416), (145, 1923712), (152, 1835120), (160, 1743364), (190, 1468096), (203, 1374080), (224, 1245260), (226, 1234240), (232, 1202320), (266, 1048640), (280, 996208), (290, 961856), (304, 917560), (320, 871682), (380, 734048), (406, 687040), (448, 622630), (452, 617120), (464, 601160), (532, 524320), (551, 506240), (560, 498104), (565, 493696), (580, 480928), (608, 458780), (640, 435841), (665, 419456), (760, 367024), (791, 352640), (812, 343520), (896, 311315), (904, 308560), (928, 300580), (1015, 274816), (1064, 262160), (1102, 253120), (1120, 249052), (1130, 246848), (1160, 240464), (1216, 229390), (1330, 209728), (1520, 183512), (1582, 176320), (1624, 171760), (1808, 154280), (1856, 150290), (2030, 137408), (2128, 131080), (2147, 129920), (2204, 126560), (2240, 124526), (2260, 123424), (2320, 120232), (2432, 114695), (2660, 104864), (2755, 101248), (3040, 91756), (3164, 88160), (3248, 85880), (3277, 85120), (3616, 77140), (3712, 75145), (3857, 72320), (3955, 70528), (4060, 68704), (4256, 65540), (4294, 64960), (4408, 63280), (4480, 62263), (4520, 61712), (4640, 60116), (5320, 52432), (5510, 50624), (6080, 45878), (6328, 44080), (6496, 42940), (6554, 42560), (7232, 38570), (7714, 36160), (7910, 35264), (8120, 34352), (8512, 32770), (8588, 32480), (8816, 31640), (9040, 30856), (9280, 30058), (10640, 26216), (10735, 25984), (11020, 25312), (12160, 22939), (12656, 22040), (12992, 21470), (13108, 21280), (14464, 19285), (15029, 18560), (15428, 18080), (15820, 17632), (16240, 17176), (16385, 17024)]