64189440

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 264

約数和(自身を含む): 255465600

約数和(自身を除く): 191276160

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, 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, 6368, 6720, 6965, 7164, 7168, 7680, 7960, 8064, 8358, 8955, 8960, 9216, 9552, 10080, 10752, 11144, 11520, 11940, 12537, 12736, 13440, 13930, 14328, 15360, 15920, 16128, 16716, 17910, 17920, 19104, 20160, 20895, 21504, 22288, 23040, 23880, 25074, 25472, 26880, 27860, 28656, 31840, 32256, 33432, 35820, 35840, 38208, 40320, 41790, 44576, 46080, 47760, 50148, 50944, 53760, 55720, 57312, 62685, 63680, 64512, 66864, 71640, 76416, 80640, 83580, 89152, 95520, 100296, 101888, 107520, 111440, 114624, 125370, 127360, 133728, 143280, 152832, 161280, 167160, 178304, 191040, 200592, 203776, 222880, 229248, 250740, 254720, 267456, 286560, 305664, 322560, 334320, 356608, 382080, 401184, 445760, 458496, 501480, 509440, 534912, 573120, 611328, 668640, 713216, 764160, 802368, 891520, 916992, 1002960, 1018880, 1069824, 1146240, 1337280, 1426432, 1528320, 1604736, 1783040, 1833984, 2005920, 2139648, 2292480, 2674560, 3056640, 3209472, 3566080, 4011840, 4279296, 4584960, 5349120, 6418944, 7132160, 8023680, 9169920, 10698240, 12837888, 16047360, 21396480, 32094720, 64189440]

約数ペア:

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