256292960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 192

約数和(自身を含む): 768144384

約数和(自身を除く): 511851424

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 160, 176, 220, 224, 280, 284, 293, 308, 352, 355, 385, 440, 497, 560, 568, 586, 616, 710, 770, 781, 880, 994, 1120, 1136, 1172, 1232, 1420, 1465, 1540, 1562, 1760, 1988, 2051, 2272, 2344, 2464, 2485, 2840, 2930, 3080, 3124, 3223, 3905, 3976, 4102, 4688, 4970, 5467, 5680, 5860, 6160, 6248, 6446, 7810, 7952, 8204, 9376, 9940, 10255, 10934, 11360, 11720, 12320, 12496, 12892, 15620, 15904, 16115, 16408, 19880, 20510, 20803, 21868, 22561, 23440, 24992, 25784, 27335, 31240, 32230, 32816, 39760, 41020, 41606, 43736, 45122, 46880, 51568, 54670, 62480, 64460, 65632, 79520, 82040, 83212, 87472, 90244, 103136, 104015, 109340, 112805, 124960, 128920, 145621, 164080, 166424, 174944, 180488, 208030, 218680, 225610, 228833, 257840, 291242, 328160, 332848, 360976, 416060, 437360, 451220, 457666, 515680, 582484, 665696, 721952, 728105, 832120, 874720, 902440, 915332, 1144165, 1164968, 1456210, 1601831, 1664240, 1804880, 1830664, 2288330, 2329936, 2912420, 3203662, 3328480, 3609760, 3661328, 4576660, 4659872, 5824840, 6407324, 7322656, 8009155, 9153320, 11649680, 12814648, 16018310, 18306640, 23299360, 25629296, 32036620, 36613280, 51258592, 64073240, 128146480, 256292960]

約数ペア:

[(1, 256292960), (2, 128146480), (4, 64073240), (5, 51258592), (7, 36613280), (8, 32036620), (10, 25629296), (11, 23299360), (14, 18306640), (16, 16018310), (20, 12814648), (22, 11649680), (28, 9153320), (32, 8009155), (35, 7322656), (40, 6407324), (44, 5824840), (55, 4659872), (56, 4576660), (70, 3661328), (71, 3609760), (77, 3328480), (80, 3203662), (88, 2912420), (110, 2329936), (112, 2288330), (140, 1830664), (142, 1804880), (154, 1664240), (160, 1601831), (176, 1456210), (220, 1164968), (224, 1144165), (280, 915332), (284, 902440), (293, 874720), (308, 832120), (352, 728105), (355, 721952), (385, 665696), (440, 582484), (497, 515680), (560, 457666), (568, 451220), (586, 437360), (616, 416060), (710, 360976), (770, 332848), (781, 328160), (880, 291242), (994, 257840), (1120, 228833), (1136, 225610), (1172, 218680), (1232, 208030), (1420, 180488), (1465, 174944), (1540, 166424), (1562, 164080), (1760, 145621), (1988, 128920), (2051, 124960), (2272, 112805), (2344, 109340), (2464, 104015), (2485, 103136), (2840, 90244), (2930, 87472), (3080, 83212), (3124, 82040), (3223, 79520), (3905, 65632), (3976, 64460), (4102, 62480), (4688, 54670), (4970, 51568), (5467, 46880), (5680, 45122), (5860, 43736), (6160, 41606), (6248, 41020), (6446, 39760), (7810, 32816), (7952, 32230), (8204, 31240), (9376, 27335), (9940, 25784), (10255, 24992), (10934, 23440), (11360, 22561), (11720, 21868), (12320, 20803), (12496, 20510), (12892, 19880), (15620, 16408), (15904, 16115)]