1978836480

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{3181}}^1$

素因数の和:3219

約数の個数: 240

約数和(自身を含む): 7109326224

約数和(自身を除く): 5130489744

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3181, 3240, 3456, 3840, 3888, 4320, 4608, 4860, 5184, 5760, 6362, 6480, 6912, 7680, 7776, 8640, 9543, 9720, 10368, 11520, 12724, 12960, 13824, 15552, 15905, 17280, 19086, 19440, 20736, 23040, 25448, 25920, 28629, 31104, 31810, 34560, 38172, 38880, 41472, 47715, 50896, 51840, 57258, 62208, 63620, 69120, 76344, 77760, 85887, 95430, 101792, 103680, 114516, 124416, 127240, 143145, 152688, 155520, 171774, 190860, 203584, 207360, 229032, 254480, 257661, 286290, 305376, 311040, 343548, 381720, 407168, 429435, 458064, 508960, 515322, 572580, 610752, 622080, 687096, 763440, 772983, 814336, 858870, 916128, 1017920, 1030644, 1145160, 1221504, 1288305, 1374192, 1526880, 1545966, 1628672, 1717740, 1832256, 2035840, 2061288, 2290320, 2443008, 2576610, 2748384, 3053760, 3091932, 3435480, 3664512, 3864915, 4071680, 4122576, 4580640, 4886016, 5153220, 5496768, 6107520, 6183864, 6870960, 7329024, 7729830, 8143360, 8245152, 9161280, 10306440, 10993536, 12215040, 12367728, 13741920, 14658048, 15459660, 16490304, 18322560, 20612880, 21987072, 24430080, 24735456, 27483840, 30919320, 32980608, 36645120, 41225760, 43974144, 49470912, 54967680, 61838640, 65961216, 73290240, 82451520, 98941824, 109935360, 123677280, 131922432, 164903040, 197883648, 219870720, 247354560, 329806080, 395767296, 494709120, 659612160, 989418240, 1978836480]

約数ペア:

[(1, 1978836480), (2, 989418240), (3, 659612160), (4, 494709120), (5, 395767296), (6, 329806080), (8, 247354560), (9, 219870720), (10, 197883648), (12, 164903040), (15, 131922432), (16, 123677280), (18, 109935360), (20, 98941824), (24, 82451520), (27, 73290240), (30, 65961216), (32, 61838640), (36, 54967680), (40, 49470912), (45, 43974144), (48, 41225760), (54, 36645120), (60, 32980608), (64, 30919320), (72, 27483840), (80, 24735456), (81, 24430080), (90, 21987072), (96, 20612880), (108, 18322560), (120, 16490304), (128, 15459660), (135, 14658048), (144, 13741920), (160, 12367728), (162, 12215040), (180, 10993536), (192, 10306440), (216, 9161280), (240, 8245152), (243, 8143360), (256, 7729830), (270, 7329024), (288, 6870960), (320, 6183864), (324, 6107520), (360, 5496768), (384, 5153220), (405, 4886016), (432, 4580640), (480, 4122576), (486, 4071680), (512, 3864915), (540, 3664512), (576, 3435480), (640, 3091932), (648, 3053760), (720, 2748384), (768, 2576610), (810, 2443008), (864, 2290320), (960, 2061288), (972, 2035840), (1080, 1832256), (1152, 1717740), (1215, 1628672), (1280, 1545966), (1296, 1526880), (1440, 1374192), (1536, 1288305), (1620, 1221504), (1728, 1145160), (1920, 1030644), (1944, 1017920), (2160, 916128), (2304, 858870), (2430, 814336), (2560, 772983), (2592, 763440), (2880, 687096), (3181, 622080), (3240, 610752), (3456, 572580), (3840, 515322), (3888, 508960), (4320, 458064), (4608, 429435), (4860, 407168), (5184, 381720), (5760, 343548), (6362, 311040), (6480, 305376), (6912, 286290), (7680, 257661), (7776, 254480), (8640, 229032), (9543, 207360), (9720, 203584), (10368, 190860), (11520, 171774), (12724, 155520), (12960, 152688), (13824, 143145), (15552, 127240), (15905, 124416), (17280, 114516), (19086, 103680), (19440, 101792), (20736, 95430), (23040, 85887), (25448, 77760), (25920, 76344), (28629, 69120), (31104, 63620), (31810, 62208), (34560, 57258), (38172, 51840), (38880, 50896), (41472, 47715)]