2638448640

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{3181}}^1$

素因数の和:3220

約数の個数: 240

約数和(自身を含む): 9459990540

約数和(自身を除く): 6821541900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2048, 2160, 2304, 2560, 2592, 2880, 3072, 3181, 3240, 3456, 3840, 4320, 4608, 5120, 5184, 5760, 6144, 6362, 6480, 6912, 7680, 8640, 9216, 9543, 10240, 10368, 11520, 12724, 12960, 13824, 15360, 15905, 17280, 18432, 19086, 20736, 23040, 25448, 25920, 27648, 28629, 30720, 31810, 34560, 38172, 41472, 46080, 47715, 50896, 51840, 55296, 57258, 63620, 69120, 76344, 82944, 85887, 92160, 95430, 101792, 103680, 114516, 127240, 138240, 143145, 152688, 165888, 171774, 190860, 203584, 207360, 229032, 254480, 257661, 276480, 286290, 305376, 343548, 381720, 407168, 414720, 429435, 458064, 508960, 515322, 572580, 610752, 687096, 763440, 814336, 829440, 858870, 916128, 1017920, 1030644, 1145160, 1221504, 1288305, 1374192, 1526880, 1628672, 1717740, 1832256, 2035840, 2061288, 2290320, 2443008, 2576610, 2748384, 3053760, 3257344, 3435480, 3664512, 4071680, 4122576, 4580640, 4886016, 5153220, 5496768, 6107520, 6514688, 6870960, 7329024, 8143360, 8245152, 9161280, 9772032, 10306440, 10993536, 12215040, 13741920, 14658048, 16286720, 16490304, 18322560, 19544064, 20612880, 21987072, 24430080, 27483840, 29316096, 32573440, 32980608, 36645120, 41225760, 43974144, 48860160, 54967680, 58632192, 65961216, 73290240, 82451520, 87948288, 97720320, 109935360, 131922432, 146580480, 164903040, 175896576, 219870720, 263844864, 293160960, 329806080, 439741440, 527689728, 659612160, 879482880, 1319224320, 2638448640]

約数ペア:

[(1, 2638448640), (2, 1319224320), (3, 879482880), (4, 659612160), (5, 527689728), (6, 439741440), (8, 329806080), (9, 293160960), (10, 263844864), (12, 219870720), (15, 175896576), (16, 164903040), (18, 146580480), (20, 131922432), (24, 109935360), (27, 97720320), (30, 87948288), (32, 82451520), (36, 73290240), (40, 65961216), (45, 58632192), (48, 54967680), (54, 48860160), (60, 43974144), (64, 41225760), (72, 36645120), (80, 32980608), (81, 32573440), (90, 29316096), (96, 27483840), (108, 24430080), (120, 21987072), (128, 20612880), (135, 19544064), (144, 18322560), (160, 16490304), (162, 16286720), (180, 14658048), (192, 13741920), (216, 12215040), (240, 10993536), (256, 10306440), (270, 9772032), (288, 9161280), (320, 8245152), (324, 8143360), (360, 7329024), (384, 6870960), (405, 6514688), (432, 6107520), (480, 5496768), (512, 5153220), (540, 4886016), (576, 4580640), (640, 4122576), (648, 4071680), (720, 3664512), (768, 3435480), (810, 3257344), (864, 3053760), (960, 2748384), (1024, 2576610), (1080, 2443008), (1152, 2290320), (1280, 2061288), (1296, 2035840), (1440, 1832256), (1536, 1717740), (1620, 1628672), (1728, 1526880), (1920, 1374192), (2048, 1288305), (2160, 1221504), (2304, 1145160), (2560, 1030644), (2592, 1017920), (2880, 916128), (3072, 858870), (3181, 829440), (3240, 814336), (3456, 763440), (3840, 687096), (4320, 610752), (4608, 572580), (5120, 515322), (5184, 508960), (5760, 458064), (6144, 429435), (6362, 414720), (6480, 407168), (6912, 381720), (7680, 343548), (8640, 305376), (9216, 286290), (9543, 276480), (10240, 257661), (10368, 254480), (11520, 229032), (12724, 207360), (12960, 203584), (13824, 190860), (15360, 171774), (15905, 165888), (17280, 152688), (18432, 143145), (19086, 138240), (20736, 127240), (23040, 114516), (25448, 103680), (25920, 101792), (27648, 95430), (28629, 92160), (30720, 85887), (31810, 82944), (34560, 76344), (38172, 69120), (41472, 63620), (46080, 57258), (47715, 55296), (50896, 51840)]