128378880

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 511056000

約数和(自身を除く): 382677120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 199, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 398, 420, 448, 480, 504, 512, 560, 576, 597, 630, 640, 672, 720, 768, 796, 840, 896, 960, 995, 1008, 1024, 1120, 1152, 1194, 1260, 1280, 1344, 1393, 1440, 1536, 1592, 1680, 1791, 1792, 1920, 1990, 2016, 2048, 2240, 2304, 2388, 2520, 2560, 2688, 2786, 2880, 2985, 3072, 3184, 3360, 3582, 3584, 3840, 3980, 4032, 4179, 4480, 4608, 4776, 5040, 5120, 5376, 5572, 5760, 5970, 6144, 6368, 6720, 6965, 7164, 7168, 7680, 7960, 8064, 8358, 8955, 8960, 9216, 9552, 10080, 10240, 10752, 11144, 11520, 11940, 12537, 12736, 13440, 13930, 14328, 14336, 15360, 15920, 16128, 16716, 17910, 17920, 18432, 19104, 20160, 20895, 21504, 22288, 23040, 23880, 25074, 25472, 26880, 27860, 28656, 30720, 31840, 32256, 33432, 35820, 35840, 38208, 40320, 41790, 43008, 44576, 46080, 47760, 50148, 50944, 53760, 55720, 57312, 62685, 63680, 64512, 66864, 71640, 71680, 76416, 80640, 83580, 89152, 92160, 95520, 100296, 101888, 107520, 111440, 114624, 125370, 127360, 129024, 133728, 143280, 152832, 161280, 167160, 178304, 191040, 200592, 203776, 215040, 222880, 229248, 250740, 254720, 267456, 286560, 305664, 322560, 334320, 356608, 382080, 401184, 407552, 445760, 458496, 501480, 509440, 534912, 573120, 611328, 645120, 668640, 713216, 764160, 802368, 891520, 916992, 1002960, 1018880, 1069824, 1146240, 1222656, 1337280, 1426432, 1528320, 1604736, 1783040, 1833984, 2005920, 2037760, 2139648, 2292480, 2674560, 2852864, 3056640, 3209472, 3566080, 3667968, 4011840, 4279296, 4584960, 5349120, 6113280, 6418944, 7132160, 8023680, 8558592, 9169920, 10698240, 12837888, 14264320, 16047360, 18339840, 21396480, 25675776, 32094720, 42792960, 64189440, 128378880]

約数ペア:

[(1, 128378880), (2, 64189440), (3, 42792960), (4, 32094720), (5, 25675776), (6, 21396480), (7, 18339840), (8, 16047360), (9, 14264320), (10, 12837888), (12, 10698240), (14, 9169920), (15, 8558592), (16, 8023680), (18, 7132160), (20, 6418944), (21, 6113280), (24, 5349120), (28, 4584960), (30, 4279296), (32, 4011840), (35, 3667968), (36, 3566080), (40, 3209472), (42, 3056640), (45, 2852864), (48, 2674560), (56, 2292480), (60, 2139648), (63, 2037760), (64, 2005920), (70, 1833984), (72, 1783040), (80, 1604736), (84, 1528320), (90, 1426432), (96, 1337280), (105, 1222656), (112, 1146240), (120, 1069824), (126, 1018880), (128, 1002960), (140, 916992), (144, 891520), (160, 802368), (168, 764160), (180, 713216), (192, 668640), (199, 645120), (210, 611328), (224, 573120), (240, 534912), (252, 509440), (256, 501480), (280, 458496), (288, 445760), (315, 407552), (320, 401184), (336, 382080), (360, 356608), (384, 334320), (398, 322560), (420, 305664), (448, 286560), (480, 267456), (504, 254720), (512, 250740), (560, 229248), (576, 222880), (597, 215040), (630, 203776), (640, 200592), (672, 191040), (720, 178304), (768, 167160), (796, 161280), (840, 152832), (896, 143280), (960, 133728), (995, 129024), (1008, 127360), (1024, 125370), (1120, 114624), (1152, 111440), (1194, 107520), (1260, 101888), (1280, 100296), (1344, 95520), (1393, 92160), (1440, 89152), (1536, 83580), (1592, 80640), (1680, 76416), (1791, 71680), (1792, 71640), (1920, 66864), (1990, 64512), (2016, 63680), (2048, 62685), (2240, 57312), (2304, 55720), (2388, 53760), (2520, 50944), (2560, 50148), (2688, 47760), (2786, 46080), (2880, 44576), (2985, 43008), (3072, 41790), (3184, 40320), (3360, 38208), (3582, 35840), (3584, 35820), (3840, 33432), (3980, 32256), (4032, 31840), (4179, 30720), (4480, 28656), (4608, 27860), (4776, 26880), (5040, 25472), (5120, 25074), (5376, 23880), (5572, 23040), (5760, 22288), (5970, 21504), (6144, 20895), (6368, 20160), (6720, 19104), (6965, 18432), (7164, 17920), (7168, 17910), (7680, 16716), (7960, 16128), (8064, 15920), (8358, 15360), (8955, 14336), (8960, 14328), (9216, 13930), (9552, 13440), (10080, 12736), (10240, 12537), (10752, 11940), (11144, 11520)]