640026240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{6803}}^1$

素因数の和:6839

約数の個数: 192

約数和(自身を含む): 2373507360

約数和(自身を除く): 1733481120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 6803, 7840, 9408, 11760, 13440, 13606, 15680, 18816, 20409, 23520, 27212, 31360, 34015, 40818, 47040, 47621, 54424, 68030, 81636, 94080, 95242, 102045, 108848, 136060, 142863, 163272, 190484, 204090, 217696, 238105, 272120, 285726, 326544, 333347, 380968, 408180, 435392, 476210, 544240, 571452, 653088, 666694, 714315, 761936, 816360, 870784, 952420, 1000041, 1088480, 1142904, 1306176, 1333388, 1428630, 1523872, 1632720, 1666735, 1904840, 2000082, 2176960, 2285808, 2612352, 2666776, 2857260, 3047744, 3265440, 3333470, 3809680, 4000164, 4353920, 4571616, 5000205, 5333552, 5714520, 6095488, 6530880, 6666940, 7619360, 8000328, 9143232, 10000410, 10667104, 11429040, 13061760, 13333880, 15238720, 16000656, 18286464, 20000820, 21334208, 22858080, 26667760, 30477440, 32001312, 40001640, 42668416, 45716160, 53335520, 64002624, 80003280, 91432320, 106671040, 128005248, 160006560, 213342080, 320013120, 640026240]

約数ペア:

[(1, 640026240), (2, 320013120), (3, 213342080), (4, 160006560), (5, 128005248), (6, 106671040), (7, 91432320), (8, 80003280), (10, 64002624), (12, 53335520), (14, 45716160), (15, 42668416), (16, 40001640), (20, 32001312), (21, 30477440), (24, 26667760), (28, 22858080), (30, 21334208), (32, 20000820), (35, 18286464), (40, 16000656), (42, 15238720), (48, 13333880), (49, 13061760), (56, 11429040), (60, 10667104), (64, 10000410), (70, 9143232), (80, 8000328), (84, 7619360), (96, 6666940), (98, 6530880), (105, 6095488), (112, 5714520), (120, 5333552), (128, 5000205), (140, 4571616), (147, 4353920), (160, 4000164), (168, 3809680), (192, 3333470), (196, 3265440), (210, 3047744), (224, 2857260), (240, 2666776), (245, 2612352), (280, 2285808), (294, 2176960), (320, 2000082), (336, 1904840), (384, 1666735), (392, 1632720), (420, 1523872), (448, 1428630), (480, 1333388), (490, 1306176), (560, 1142904), (588, 1088480), (640, 1000041), (672, 952420), (735, 870784), (784, 816360), (840, 761936), (896, 714315), (960, 666694), (980, 653088), (1120, 571452), (1176, 544240), (1344, 476210), (1470, 435392), (1568, 408180), (1680, 380968), (1920, 333347), (1960, 326544), (2240, 285726), (2352, 272120), (2688, 238105), (2940, 217696), (3136, 204090), (3360, 190484), (3920, 163272), (4480, 142863), (4704, 136060), (5880, 108848), (6272, 102045), (6720, 95242), (6803, 94080), (7840, 81636), (9408, 68030), (11760, 54424), (13440, 47621), (13606, 47040), (15680, 40818), (18816, 34015), (20409, 31360), (23520, 27212)]