213534720

素因数分解:

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

素因数の和:371

約数の個数: 288

約数和(自身を含む): 848352960

約数和(自身を除く): 634818240

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, 210, 224, 240, 252, 256, 280, 288, 315, 320, 331, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 662, 672, 720, 768, 840, 896, 960, 993, 1008, 1024, 1120, 1152, 1260, 1280, 1324, 1344, 1440, 1536, 1655, 1680, 1792, 1920, 1986, 2016, 2048, 2240, 2304, 2317, 2520, 2560, 2648, 2688, 2880, 2979, 3072, 3310, 3360, 3584, 3840, 3972, 4032, 4480, 4608, 4634, 4965, 5040, 5120, 5296, 5376, 5760, 5958, 6144, 6620, 6720, 6951, 7168, 7680, 7944, 8064, 8960, 9216, 9268, 9930, 10080, 10240, 10592, 10752, 11520, 11585, 11916, 13240, 13440, 13902, 14336, 14895, 15360, 15888, 16128, 17920, 18432, 18536, 19860, 20160, 20853, 21184, 21504, 23040, 23170, 23832, 26480, 26880, 27804, 29790, 30720, 31776, 32256, 34755, 35840, 37072, 39720, 40320, 41706, 42368, 43008, 46080, 46340, 47664, 52960, 53760, 55608, 59580, 63552, 64512, 69510, 71680, 74144, 79440, 80640, 83412, 84736, 92160, 92680, 95328, 104265, 105920, 107520, 111216, 119160, 127104, 129024, 139020, 148288, 158880, 161280, 166824, 169472, 185360, 190656, 208530, 211840, 215040, 222432, 238320, 254208, 278040, 296576, 317760, 322560, 333648, 338944, 370720, 381312, 417060, 423680, 444864, 476640, 508416, 556080, 593152, 635520, 645120, 667296, 677888, 741440, 762624, 834120, 847360, 889728, 953280, 1016832, 1112160, 1186304, 1271040, 1334592, 1482880, 1525248, 1668240, 1694720, 1779456, 1906560, 2033664, 2224320, 2372608, 2542080, 2669184, 2965760, 3050496, 3336480, 3389440, 3558912, 3813120, 4448640, 4745216, 5084160, 5338368, 5931520, 6100992, 6672960, 7117824, 7626240, 8897280, 10168320, 10676736, 11863040, 13345920, 14235648, 15252480, 17794560, 21353472, 23726080, 26691840, 30504960, 35589120, 42706944, 53383680, 71178240, 106767360, 213534720]

約数ペア:

[(1, 213534720), (2, 106767360), (3, 71178240), (4, 53383680), (5, 42706944), (6, 35589120), (7, 30504960), (8, 26691840), (9, 23726080), (10, 21353472), (12, 17794560), (14, 15252480), (15, 14235648), (16, 13345920), (18, 11863040), (20, 10676736), (21, 10168320), (24, 8897280), (28, 7626240), (30, 7117824), (32, 6672960), (35, 6100992), (36, 5931520), (40, 5338368), (42, 5084160), (45, 4745216), (48, 4448640), (56, 3813120), (60, 3558912), (63, 3389440), (64, 3336480), (70, 3050496), (72, 2965760), (80, 2669184), (84, 2542080), (90, 2372608), (96, 2224320), (105, 2033664), (112, 1906560), (120, 1779456), (126, 1694720), (128, 1668240), (140, 1525248), (144, 1482880), (160, 1334592), (168, 1271040), (180, 1186304), (192, 1112160), (210, 1016832), (224, 953280), (240, 889728), (252, 847360), (256, 834120), (280, 762624), (288, 741440), (315, 677888), (320, 667296), (331, 645120), (336, 635520), (360, 593152), (384, 556080), (420, 508416), (448, 476640), (480, 444864), (504, 423680), (512, 417060), (560, 381312), (576, 370720), (630, 338944), (640, 333648), (662, 322560), (672, 317760), (720, 296576), (768, 278040), (840, 254208), (896, 238320), (960, 222432), (993, 215040), (1008, 211840), (1024, 208530), (1120, 190656), (1152, 185360), (1260, 169472), (1280, 166824), (1324, 161280), (1344, 158880), (1440, 148288), (1536, 139020), (1655, 129024), (1680, 127104), (1792, 119160), (1920, 111216), (1986, 107520), (2016, 105920), (2048, 104265), (2240, 95328), (2304, 92680), (2317, 92160), (2520, 84736), (2560, 83412), (2648, 80640), (2688, 79440), (2880, 74144), (2979, 71680), (3072, 69510), (3310, 64512), (3360, 63552), (3584, 59580), (3840, 55608), (3972, 53760), (4032, 52960), (4480, 47664), (4608, 46340), (4634, 46080), (4965, 43008), (5040, 42368), (5120, 41706), (5296, 40320), (5376, 39720), (5760, 37072), (5958, 35840), (6144, 34755), (6620, 32256), (6720, 31776), (6951, 30720), (7168, 29790), (7680, 27804), (7944, 26880), (8064, 26480), (8960, 23832), (9216, 23170), (9268, 23040), (9930, 21504), (10080, 21184), (10240, 20853), (10592, 20160), (10752, 19860), (11520, 18536), (11585, 18432), (11916, 17920), (13240, 16128), (13440, 15888), (13902, 15360), (14336, 14895)]