641545920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 280

約数和(自身を含む): 2330128944

約数和(自身を除く): 1688583024

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, 53, 54, 60, 64, 72, 80, 81, 90, 96, 106, 108, 120, 135, 144, 159, 160, 162, 180, 192, 212, 216, 240, 265, 270, 288, 318, 320, 324, 360, 405, 424, 432, 467, 477, 480, 530, 540, 576, 636, 648, 720, 795, 810, 848, 864, 934, 954, 960, 1060, 1080, 1272, 1296, 1401, 1431, 1440, 1590, 1620, 1696, 1728, 1868, 1908, 2120, 2160, 2335, 2385, 2544, 2592, 2802, 2862, 2880, 3180, 3240, 3392, 3736, 3816, 4203, 4240, 4293, 4320, 4670, 4770, 5088, 5184, 5604, 5724, 6360, 6480, 7005, 7155, 7472, 7632, 8406, 8480, 8586, 8640, 9340, 9540, 10176, 11208, 11448, 12609, 12720, 12960, 14010, 14310, 14944, 15264, 16812, 16960, 17172, 18680, 19080, 21015, 21465, 22416, 22896, 24751, 25218, 25440, 25920, 28020, 28620, 29888, 30528, 33624, 34344, 37360, 37827, 38160, 42030, 42930, 44832, 45792, 49502, 50436, 50880, 56040, 57240, 63045, 67248, 68688, 74253, 74720, 75654, 76320, 84060, 85860, 89664, 91584, 99004, 100872, 112080, 114480, 123755, 126090, 134496, 137376, 148506, 149440, 151308, 152640, 168120, 171720, 189135, 198008, 201744, 222759, 224160, 228960, 247510, 252180, 268992, 274752, 297012, 302616, 336240, 343440, 371265, 378270, 396016, 403488, 445518, 448320, 457920, 495020, 504360, 594024, 605232, 668277, 672480, 686880, 742530, 756540, 792032, 806976, 891036, 990040, 1008720, 1113795, 1188048, 1210464, 1336554, 1344960, 1373760, 1485060, 1513080, 1584064, 1782072, 1980080, 2004831, 2017440, 2227590, 2376096, 2420928, 2673108, 2970120, 3026160, 3341385, 3564144, 3960160, 4009662, 4034880, 4455180, 4752192, 5346216, 5940240, 6052320, 6682770, 7128288, 7920320, 8019324, 8910360, 10024155, 10692432, 11880480, 12104640, 13365540, 14256576, 16038648, 17820720, 20048310, 21384864, 23760960, 26731080, 32077296, 35641440, 40096620, 42769728, 53462160, 64154592, 71282880, 80193240, 106924320, 128309184, 160386480, 213848640, 320772960, 641545920]

約数ペア:

[(1, 641545920), (2, 320772960), (3, 213848640), (4, 160386480), (5, 128309184), (6, 106924320), (8, 80193240), (9, 71282880), (10, 64154592), (12, 53462160), (15, 42769728), (16, 40096620), (18, 35641440), (20, 32077296), (24, 26731080), (27, 23760960), (30, 21384864), (32, 20048310), (36, 17820720), (40, 16038648), (45, 14256576), (48, 13365540), (53, 12104640), (54, 11880480), (60, 10692432), (64, 10024155), (72, 8910360), (80, 8019324), (81, 7920320), (90, 7128288), (96, 6682770), (106, 6052320), (108, 5940240), (120, 5346216), (135, 4752192), (144, 4455180), (159, 4034880), (160, 4009662), (162, 3960160), (180, 3564144), (192, 3341385), (212, 3026160), (216, 2970120), (240, 2673108), (265, 2420928), (270, 2376096), (288, 2227590), (318, 2017440), (320, 2004831), (324, 1980080), (360, 1782072), (405, 1584064), (424, 1513080), (432, 1485060), (467, 1373760), (477, 1344960), (480, 1336554), (530, 1210464), (540, 1188048), (576, 1113795), (636, 1008720), (648, 990040), (720, 891036), (795, 806976), (810, 792032), (848, 756540), (864, 742530), (934, 686880), (954, 672480), (960, 668277), (1060, 605232), (1080, 594024), (1272, 504360), (1296, 495020), (1401, 457920), (1431, 448320), (1440, 445518), (1590, 403488), (1620, 396016), (1696, 378270), (1728, 371265), (1868, 343440), (1908, 336240), (2120, 302616), (2160, 297012), (2335, 274752), (2385, 268992), (2544, 252180), (2592, 247510), (2802, 228960), (2862, 224160), (2880, 222759), (3180, 201744), (3240, 198008), (3392, 189135), (3736, 171720), (3816, 168120), (4203, 152640), (4240, 151308), (4293, 149440), (4320, 148506), (4670, 137376), (4770, 134496), (5088, 126090), (5184, 123755), (5604, 114480), (5724, 112080), (6360, 100872), (6480, 99004), (7005, 91584), (7155, 89664), (7472, 85860), (7632, 84060), (8406, 76320), (8480, 75654), (8586, 74720), (8640, 74253), (9340, 68688), (9540, 67248), (10176, 63045), (11208, 57240), (11448, 56040), (12609, 50880), (12720, 50436), (12960, 49502), (14010, 45792), (14310, 44832), (14944, 42930), (15264, 42030), (16812, 38160), (16960, 37827), (17172, 37360), (18680, 34344), (19080, 33624), (21015, 30528), (21465, 29888), (22416, 28620), (22896, 28020), (24751, 25920), (25218, 25440)]