221425920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 809424000

約数和(自身を除く): 587998080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 149, 160, 172, 180, 192, 215, 216, 240, 256, 258, 270, 288, 298, 320, 344, 360, 384, 387, 430, 432, 447, 480, 516, 540, 576, 596, 640, 645, 688, 720, 745, 768, 774, 860, 864, 894, 960, 1032, 1080, 1152, 1161, 1192, 1280, 1290, 1341, 1376, 1440, 1490, 1548, 1720, 1728, 1788, 1920, 1935, 2064, 2160, 2235, 2304, 2322, 2384, 2580, 2682, 2752, 2880, 2980, 3096, 3440, 3456, 3576, 3840, 3870, 4023, 4128, 4320, 4470, 4644, 4768, 5160, 5364, 5504, 5760, 5805, 5960, 6192, 6407, 6705, 6880, 6912, 7152, 7740, 8046, 8256, 8640, 8940, 9288, 9536, 10320, 10728, 11008, 11520, 11610, 11920, 12384, 12814, 13410, 13760, 14304, 15480, 16092, 16512, 17280, 17880, 18576, 19072, 19221, 20115, 20640, 21456, 23220, 23840, 24768, 25628, 26820, 27520, 28608, 30960, 32035, 32184, 33024, 34560, 35760, 37152, 38144, 38442, 40230, 41280, 42912, 46440, 47680, 49536, 51256, 53640, 55040, 57216, 57663, 61920, 64070, 64368, 71520, 74304, 76884, 80460, 82560, 85824, 92880, 95360, 96105, 99072, 102512, 107280, 114432, 115326, 123840, 128140, 128736, 143040, 148608, 153768, 160920, 165120, 171648, 172989, 185760, 190720, 192210, 205024, 214560, 230652, 247680, 256280, 257472, 286080, 288315, 297216, 307536, 321840, 343296, 345978, 371520, 384420, 410048, 429120, 461304, 495360, 512560, 514944, 572160, 576630, 615072, 643680, 691956, 743040, 768840, 820096, 858240, 864945, 922608, 1025120, 1029888, 1153260, 1230144, 1287360, 1383912, 1486080, 1537680, 1640192, 1716480, 1729890, 1845216, 2050240, 2306520, 2460288, 2574720, 2767824, 3075360, 3459780, 3690432, 4100480, 4613040, 4920576, 5149440, 5535648, 6150720, 6919560, 7380864, 8200960, 9226080, 11071296, 12301440, 13839120, 14761728, 18452160, 22142592, 24602880, 27678240, 36904320, 44285184, 55356480, 73808640, 110712960, 221425920]

約数ペア:

[(1, 221425920), (2, 110712960), (3, 73808640), (4, 55356480), (5, 44285184), (6, 36904320), (8, 27678240), (9, 24602880), (10, 22142592), (12, 18452160), (15, 14761728), (16, 13839120), (18, 12301440), (20, 11071296), (24, 9226080), (27, 8200960), (30, 7380864), (32, 6919560), (36, 6150720), (40, 5535648), (43, 5149440), (45, 4920576), (48, 4613040), (54, 4100480), (60, 3690432), (64, 3459780), (72, 3075360), (80, 2767824), (86, 2574720), (90, 2460288), (96, 2306520), (108, 2050240), (120, 1845216), (128, 1729890), (129, 1716480), (135, 1640192), (144, 1537680), (149, 1486080), (160, 1383912), (172, 1287360), (180, 1230144), (192, 1153260), (215, 1029888), (216, 1025120), (240, 922608), (256, 864945), (258, 858240), (270, 820096), (288, 768840), (298, 743040), (320, 691956), (344, 643680), (360, 615072), (384, 576630), (387, 572160), (430, 514944), (432, 512560), (447, 495360), (480, 461304), (516, 429120), (540, 410048), (576, 384420), (596, 371520), (640, 345978), (645, 343296), (688, 321840), (720, 307536), (745, 297216), (768, 288315), (774, 286080), (860, 257472), (864, 256280), (894, 247680), (960, 230652), (1032, 214560), (1080, 205024), (1152, 192210), (1161, 190720), (1192, 185760), (1280, 172989), (1290, 171648), (1341, 165120), (1376, 160920), (1440, 153768), (1490, 148608), (1548, 143040), (1720, 128736), (1728, 128140), (1788, 123840), (1920, 115326), (1935, 114432), (2064, 107280), (2160, 102512), (2235, 99072), (2304, 96105), (2322, 95360), (2384, 92880), (2580, 85824), (2682, 82560), (2752, 80460), (2880, 76884), (2980, 74304), (3096, 71520), (3440, 64368), (3456, 64070), (3576, 61920), (3840, 57663), (3870, 57216), (4023, 55040), (4128, 53640), (4320, 51256), (4470, 49536), (4644, 47680), (4768, 46440), (5160, 42912), (5364, 41280), (5504, 40230), (5760, 38442), (5805, 38144), (5960, 37152), (6192, 35760), (6407, 34560), (6705, 33024), (6880, 32184), (6912, 32035), (7152, 30960), (7740, 28608), (8046, 27520), (8256, 26820), (8640, 25628), (8940, 24768), (9288, 23840), (9536, 23220), (10320, 21456), (10728, 20640), (11008, 20115), (11520, 19221), (11610, 19072), (11920, 18576), (12384, 17880), (12814, 17280), (13410, 16512), (13760, 16092), (14304, 15480)]