320883360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 192

約数和(自身を含む): 1179360000

約数和(自身を除く): 858476640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1568, 1680, 1715, 1949, 1960, 2058, 2352, 2744, 2940, 3360, 3430, 3898, 3920, 4116, 4704, 5145, 5488, 5847, 5880, 6860, 7796, 7840, 8232, 9745, 10290, 10976, 11694, 11760, 13643, 13720, 15592, 16464, 19490, 20580, 23388, 23520, 27286, 27440, 29235, 31184, 32928, 38980, 40929, 41160, 46776, 54572, 54880, 58470, 62368, 68215, 77960, 81858, 82320, 93552, 95501, 109144, 116940, 136430, 155920, 163716, 164640, 187104, 191002, 204645, 218288, 233880, 272860, 286503, 311840, 327432, 382004, 409290, 436576, 467760, 477505, 545720, 573006, 654864, 668507, 764008, 818580, 935520, 955010, 1091440, 1146012, 1309728, 1337014, 1432515, 1528016, 1637160, 1910020, 2005521, 2182880, 2292024, 2674028, 2865030, 3056032, 3274320, 3342535, 3820040, 4011042, 4584048, 5348056, 5730060, 6548640, 6685070, 7640080, 8022084, 9168096, 10027605, 10696112, 11460120, 13370140, 15280160, 16044168, 20055210, 21392224, 22920240, 26740280, 32088336, 40110420, 45840480, 53480560, 64176672, 80220840, 106961120, 160441680, 320883360]

約数ペア:

[(1, 320883360), (2, 160441680), (3, 106961120), (4, 80220840), (5, 64176672), (6, 53480560), (7, 45840480), (8, 40110420), (10, 32088336), (12, 26740280), (14, 22920240), (15, 21392224), (16, 20055210), (20, 16044168), (21, 15280160), (24, 13370140), (28, 11460120), (30, 10696112), (32, 10027605), (35, 9168096), (40, 8022084), (42, 7640080), (48, 6685070), (49, 6548640), (56, 5730060), (60, 5348056), (70, 4584048), (80, 4011042), (84, 3820040), (96, 3342535), (98, 3274320), (105, 3056032), (112, 2865030), (120, 2674028), (140, 2292024), (147, 2182880), (160, 2005521), (168, 1910020), (196, 1637160), (210, 1528016), (224, 1432515), (240, 1337014), (245, 1309728), (280, 1146012), (294, 1091440), (336, 955010), (343, 935520), (392, 818580), (420, 764008), (480, 668507), (490, 654864), (560, 573006), (588, 545720), (672, 477505), (686, 467760), (735, 436576), (784, 409290), (840, 382004), (980, 327432), (1029, 311840), (1120, 286503), (1176, 272860), (1372, 233880), (1470, 218288), (1568, 204645), (1680, 191002), (1715, 187104), (1949, 164640), (1960, 163716), (2058, 155920), (2352, 136430), (2744, 116940), (2940, 109144), (3360, 95501), (3430, 93552), (3898, 82320), (3920, 81858), (4116, 77960), (4704, 68215), (5145, 62368), (5488, 58470), (5847, 54880), (5880, 54572), (6860, 46776), (7796, 41160), (7840, 40929), (8232, 38980), (9745, 32928), (10290, 31184), (10976, 29235), (11694, 27440), (11760, 27286), (13643, 23520), (13720, 23388), (15592, 20580), (16464, 19490)]