640604160

素因数分解:

$2^{11}\times 3^3\times 5^1\times 7^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 384

約数和(自身を含む): 2610316800

約数和(自身を除く): 1969712640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 331, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 662, 672, 720, 756, 768, 840, 864, 896, 945, 960, 993, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1324, 1344, 1440, 1512, 1536, 1655, 1680, 1728, 1792, 1890, 1920, 1986, 2016, 2048, 2160, 2240, 2304, 2317, 2520, 2560, 2648, 2688, 2880, 2979, 3024, 3072, 3310, 3360, 3456, 3584, 3780, 3840, 3972, 4032, 4320, 4480, 4608, 4634, 4965, 5040, 5120, 5296, 5376, 5760, 5958, 6048, 6144, 6620, 6720, 6912, 6951, 7168, 7560, 7680, 7944, 8064, 8640, 8937, 8960, 9216, 9268, 9930, 10080, 10240, 10592, 10752, 11520, 11585, 11916, 12096, 13240, 13440, 13824, 13902, 14336, 14895, 15120, 15360, 15888, 16128, 17280, 17874, 17920, 18432, 18536, 19860, 20160, 20853, 21184, 21504, 23040, 23170, 23832, 24192, 26480, 26880, 27648, 27804, 29790, 30240, 30720, 31776, 32256, 34560, 34755, 35748, 35840, 37072, 39720, 40320, 41706, 42368, 43008, 44685, 46080, 46340, 47664, 48384, 52960, 53760, 55296, 55608, 59580, 60480, 62559, 63552, 64512, 69120, 69510, 71496, 71680, 74144, 79440, 80640, 83412, 84736, 89370, 92160, 92680, 95328, 96768, 104265, 105920, 107520, 111216, 119160, 120960, 125118, 127104, 129024, 138240, 139020, 142992, 148288, 158880, 161280, 166824, 169472, 178740, 185360, 190656, 193536, 208530, 211840, 215040, 222432, 238320, 241920, 250236, 254208, 276480, 278040, 285984, 296576, 312795, 317760, 322560, 333648, 338944, 357480, 370720, 381312, 387072, 417060, 423680, 444864, 476640, 483840, 500472, 508416, 556080, 571968, 593152, 625590, 635520, 645120, 667296, 677888, 714960, 741440, 762624, 834120, 847360, 889728, 953280, 967680, 1000944, 1016832, 1112160, 1143936, 1186304, 1251180, 1271040, 1334592, 1429920, 1482880, 1525248, 1668240, 1694720, 1779456, 1906560, 1935360, 2001888, 2033664, 2224320, 2287872, 2372608, 2502360, 2542080, 2669184, 2859840, 2965760, 3050496, 3336480, 3389440, 3558912, 3813120, 4003776, 4448640, 4575744, 4745216, 5004720, 5084160, 5338368, 5719680, 5931520, 6100992, 6672960, 7117824, 7626240, 8007552, 8897280, 9151488, 10009440, 10168320, 10676736, 11439360, 11863040, 13345920, 14235648, 15252480, 16015104, 17794560, 18302976, 20018880, 21353472, 22878720, 23726080, 26691840, 30504960, 32030208, 35589120, 40037760, 42706944, 45757440, 53383680, 64060416, 71178240, 80075520, 91514880, 106767360, 128120832, 160151040, 213534720, 320302080, 640604160]

約数ペア:

[(1, 640604160), (2, 320302080), (3, 213534720), (4, 160151040), (5, 128120832), (6, 106767360), (7, 91514880), (8, 80075520), (9, 71178240), (10, 64060416), (12, 53383680), (14, 45757440), (15, 42706944), (16, 40037760), (18, 35589120), (20, 32030208), (21, 30504960), (24, 26691840), (27, 23726080), (28, 22878720), (30, 21353472), (32, 20018880), (35, 18302976), (36, 17794560), (40, 16015104), (42, 15252480), (45, 14235648), (48, 13345920), (54, 11863040), (56, 11439360), (60, 10676736), (63, 10168320), (64, 10009440), (70, 9151488), (72, 8897280), (80, 8007552), (84, 7626240), (90, 7117824), (96, 6672960), (105, 6100992), (108, 5931520), (112, 5719680), (120, 5338368), (126, 5084160), (128, 5004720), (135, 4745216), (140, 4575744), (144, 4448640), (160, 4003776), (168, 3813120), (180, 3558912), (189, 3389440), (192, 3336480), (210, 3050496), (216, 2965760), (224, 2859840), (240, 2669184), (252, 2542080), (256, 2502360), (270, 2372608), (280, 2287872), (288, 2224320), (315, 2033664), (320, 2001888), (331, 1935360), (336, 1906560), (360, 1779456), (378, 1694720), (384, 1668240), (420, 1525248), (432, 1482880), (448, 1429920), (480, 1334592), (504, 1271040), (512, 1251180), (540, 1186304), (560, 1143936), (576, 1112160), (630, 1016832), (640, 1000944), (662, 967680), (672, 953280), (720, 889728), (756, 847360), (768, 834120), (840, 762624), (864, 741440), (896, 714960), (945, 677888), (960, 667296), (993, 645120), (1008, 635520), (1024, 625590), (1080, 593152), (1120, 571968), (1152, 556080), (1260, 508416), (1280, 500472), (1324, 483840), (1344, 476640), (1440, 444864), (1512, 423680), (1536, 417060), (1655, 387072), (1680, 381312), (1728, 370720), (1792, 357480), (1890, 338944), (1920, 333648), (1986, 322560), (2016, 317760), (2048, 312795), (2160, 296576), (2240, 285984), (2304, 278040), (2317, 276480), (2520, 254208), (2560, 250236), (2648, 241920), (2688, 238320), (2880, 222432), (2979, 215040), (3024, 211840), (3072, 208530), (3310, 193536), (3360, 190656), (3456, 185360), (3584, 178740), (3780, 169472), (3840, 166824), (3972, 161280), (4032, 158880), (4320, 148288), (4480, 142992), (4608, 139020), (4634, 138240), (4965, 129024), (5040, 127104), (5120, 125118), (5296, 120960), (5376, 119160), (5760, 111216), (5958, 107520), (6048, 105920), (6144, 104265), (6620, 96768), (6720, 95328), (6912, 92680), (6951, 92160), (7168, 89370), (7560, 84736), (7680, 83412), (7944, 80640), (8064, 79440), (8640, 74144), (8937, 71680), (8960, 71496), (9216, 69510), (9268, 69120), (9930, 64512), (10080, 63552), (10240, 62559), (10592, 60480), (10752, 59580), (11520, 55608), (11585, 55296), (11916, 53760), (12096, 52960), (13240, 48384), (13440, 47664), (13824, 46340), (13902, 46080), (14336, 44685), (14895, 43008), (15120, 42368), (15360, 41706), (15888, 40320), (16128, 39720), (17280, 37072), (17874, 35840), (17920, 35748), (18432, 34755), (18536, 34560), (19860, 32256), (20160, 31776), (20853, 30720), (21184, 30240), (21504, 29790), (23040, 27804), (23170, 27648), (23832, 26880), (24192, 26480)]