128718720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 320

約数和(自身を含む): 497629440

約数和(自身を除く): 368910720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 191, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 382, 384, 390, 405, 416, 432, 468, 480, 520, 540, 573, 576, 585, 624, 640, 648, 702, 720, 764, 780, 810, 832, 864, 936, 955, 960, 1040, 1053, 1080, 1146, 1152, 1170, 1248, 1296, 1404, 1440, 1528, 1560, 1620, 1664, 1719, 1728, 1755, 1872, 1910, 1920, 2080, 2106, 2160, 2292, 2340, 2483, 2496, 2592, 2808, 2865, 2880, 3056, 3120, 3240, 3438, 3456, 3510, 3744, 3820, 4160, 4212, 4320, 4584, 4680, 4966, 4992, 5157, 5184, 5265, 5616, 5730, 5760, 6112, 6240, 6480, 6876, 7020, 7449, 7488, 7640, 8320, 8424, 8595, 8640, 9168, 9360, 9932, 10314, 10368, 10530, 11232, 11460, 12224, 12415, 12480, 12960, 13752, 14040, 14898, 14976, 15280, 15471, 16848, 17190, 17280, 18336, 18720, 19864, 20628, 21060, 22347, 22464, 22920, 24448, 24830, 24960, 25785, 25920, 27504, 28080, 29796, 30560, 30942, 33696, 34380, 36672, 37245, 37440, 39728, 41256, 42120, 44694, 44928, 45840, 49660, 51570, 51840, 55008, 56160, 59592, 61120, 61884, 67041, 67392, 68760, 73344, 74490, 74880, 77355, 79456, 82512, 84240, 89388, 91680, 99320, 103140, 110016, 111735, 112320, 119184, 122240, 123768, 134082, 134784, 137520, 148980, 154710, 158912, 165024, 168480, 178776, 183360, 198640, 201123, 206280, 220032, 223470, 224640, 238368, 247536, 268164, 275040, 297960, 309420, 317824, 330048, 335205, 336960, 357552, 366720, 397280, 402246, 412560, 446940, 476736, 495072, 536328, 550080, 595920, 618840, 660096, 670410, 673920, 715104, 794560, 804492, 825120, 893880, 953472, 990144, 1005615, 1072656, 1100160, 1191840, 1237680, 1340820, 1430208, 1589120, 1608984, 1650240, 1787760, 1980288, 2011230, 2145312, 2383680, 2475360, 2681640, 2860416, 3217968, 3300480, 3575520, 4022460, 4290624, 4767360, 4950720, 5363280, 6435936, 7151040, 8044920, 8581248, 9901440, 10726560, 12871872, 14302080, 16089840, 21453120, 25743744, 32179680, 42906240, 64359360, 128718720]

約数ペア:

[(1, 128718720), (2, 64359360), (3, 42906240), (4, 32179680), (5, 25743744), (6, 21453120), (8, 16089840), (9, 14302080), (10, 12871872), (12, 10726560), (13, 9901440), (15, 8581248), (16, 8044920), (18, 7151040), (20, 6435936), (24, 5363280), (26, 4950720), (27, 4767360), (30, 4290624), (32, 4022460), (36, 3575520), (39, 3300480), (40, 3217968), (45, 2860416), (48, 2681640), (52, 2475360), (54, 2383680), (60, 2145312), (64, 2011230), (65, 1980288), (72, 1787760), (78, 1650240), (80, 1608984), (81, 1589120), (90, 1430208), (96, 1340820), (104, 1237680), (108, 1191840), (117, 1100160), (120, 1072656), (128, 1005615), (130, 990144), (135, 953472), (144, 893880), (156, 825120), (160, 804492), (162, 794560), (180, 715104), (191, 673920), (192, 670410), (195, 660096), (208, 618840), (216, 595920), (234, 550080), (240, 536328), (260, 495072), (270, 476736), (288, 446940), (312, 412560), (320, 402246), (324, 397280), (351, 366720), (360, 357552), (382, 336960), (384, 335205), (390, 330048), (405, 317824), (416, 309420), (432, 297960), (468, 275040), (480, 268164), (520, 247536), (540, 238368), (573, 224640), (576, 223470), (585, 220032), (624, 206280), (640, 201123), (648, 198640), (702, 183360), (720, 178776), (764, 168480), (780, 165024), (810, 158912), (832, 154710), (864, 148980), (936, 137520), (955, 134784), (960, 134082), (1040, 123768), (1053, 122240), (1080, 119184), (1146, 112320), (1152, 111735), (1170, 110016), (1248, 103140), (1296, 99320), (1404, 91680), (1440, 89388), (1528, 84240), (1560, 82512), (1620, 79456), (1664, 77355), (1719, 74880), (1728, 74490), (1755, 73344), (1872, 68760), (1910, 67392), (1920, 67041), (2080, 61884), (2106, 61120), (2160, 59592), (2292, 56160), (2340, 55008), (2483, 51840), (2496, 51570), (2592, 49660), (2808, 45840), (2865, 44928), (2880, 44694), (3056, 42120), (3120, 41256), (3240, 39728), (3438, 37440), (3456, 37245), (3510, 36672), (3744, 34380), (3820, 33696), (4160, 30942), (4212, 30560), (4320, 29796), (4584, 28080), (4680, 27504), (4966, 25920), (4992, 25785), (5157, 24960), (5184, 24830), (5265, 24448), (5616, 22920), (5730, 22464), (5760, 22347), (6112, 21060), (6240, 20628), (6480, 19864), (6876, 18720), (7020, 18336), (7449, 17280), (7488, 17190), (7640, 16848), (8320, 15471), (8424, 15280), (8595, 14976), (8640, 14898), (9168, 14040), (9360, 13752), (9932, 12960), (10314, 12480), (10368, 12415), (10530, 12224), (11232, 11460)]