491843520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 336

約数和(自身を含む): 1998317568

約数和(自身を除く): 1506474048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 320, 336, 360, 372, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 651, 672, 720, 744, 787, 840, 868, 930, 960, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1344, 1395, 1440, 1488, 1574, 1680, 1736, 1860, 1953, 1984, 2016, 2170, 2232, 2240, 2361, 2480, 2520, 2604, 2790, 2880, 2976, 3148, 3255, 3360, 3472, 3720, 3906, 3935, 4032, 4340, 4464, 4722, 4960, 5040, 5208, 5509, 5580, 5952, 6296, 6510, 6720, 6944, 7083, 7440, 7812, 7870, 8680, 8928, 9444, 9765, 9920, 10080, 10416, 11018, 11160, 11805, 12592, 13020, 13888, 14166, 14880, 15624, 15740, 16527, 17360, 17856, 18888, 19530, 20160, 20832, 22036, 22320, 23610, 24397, 25184, 26040, 27545, 28332, 29760, 31248, 31480, 33054, 34720, 35415, 37776, 39060, 41664, 44072, 44640, 47220, 48794, 49581, 50368, 52080, 55090, 56664, 62496, 62960, 66108, 69440, 70830, 73191, 75552, 78120, 82635, 88144, 89280, 94440, 97588, 99162, 104160, 110180, 113328, 121985, 124992, 125920, 132216, 141660, 146382, 151104, 156240, 165270, 170779, 176288, 188880, 195176, 198324, 208320, 219573, 220360, 226656, 243970, 247905, 251840, 264432, 283320, 292764, 312480, 330540, 341558, 352576, 365955, 377760, 390352, 396648, 439146, 440720, 453312, 487940, 495810, 512337, 528864, 566640, 585528, 624960, 661080, 683116, 731910, 755520, 780704, 793296, 853895, 878292, 881440, 975880, 991620, 1024674, 1057728, 1097865, 1133280, 1171056, 1322160, 1366232, 1463820, 1537011, 1561408, 1586592, 1707790, 1756584, 1762880, 1951760, 1983240, 2049348, 2195730, 2266560, 2342112, 2561685, 2644320, 2732464, 2927640, 3074022, 3173184, 3415580, 3513168, 3903520, 3966480, 4098696, 4391460, 4684224, 5123370, 5288640, 5464928, 5855280, 6148044, 6831160, 7026336, 7685055, 7807040, 7932960, 8197392, 8782920, 10246740, 10929856, 11710560, 12296088, 13662320, 14052672, 15370110, 15865920, 16394784, 17565840, 20493480, 23421120, 24592176, 27324640, 30740220, 32789568, 35131680, 40986960, 49184352, 54649280, 61480440, 70263360, 81973920, 98368704, 122960880, 163947840, 245921760, 491843520]

約数ペア:

[(1, 491843520), (2, 245921760), (3, 163947840), (4, 122960880), (5, 98368704), (6, 81973920), (7, 70263360), (8, 61480440), (9, 54649280), (10, 49184352), (12, 40986960), (14, 35131680), (15, 32789568), (16, 30740220), (18, 27324640), (20, 24592176), (21, 23421120), (24, 20493480), (28, 17565840), (30, 16394784), (31, 15865920), (32, 15370110), (35, 14052672), (36, 13662320), (40, 12296088), (42, 11710560), (45, 10929856), (48, 10246740), (56, 8782920), (60, 8197392), (62, 7932960), (63, 7807040), (64, 7685055), (70, 7026336), (72, 6831160), (80, 6148044), (84, 5855280), (90, 5464928), (93, 5288640), (96, 5123370), (105, 4684224), (112, 4391460), (120, 4098696), (124, 3966480), (126, 3903520), (140, 3513168), (144, 3415580), (155, 3173184), (160, 3074022), (168, 2927640), (180, 2732464), (186, 2644320), (192, 2561685), (210, 2342112), (217, 2266560), (224, 2195730), (240, 2049348), (248, 1983240), (252, 1951760), (279, 1762880), (280, 1756584), (288, 1707790), (310, 1586592), (315, 1561408), (320, 1537011), (336, 1463820), (360, 1366232), (372, 1322160), (420, 1171056), (434, 1133280), (448, 1097865), (465, 1057728), (480, 1024674), (496, 991620), (504, 975880), (558, 881440), (560, 878292), (576, 853895), (620, 793296), (630, 780704), (651, 755520), (672, 731910), (720, 683116), (744, 661080), (787, 624960), (840, 585528), (868, 566640), (930, 528864), (960, 512337), (992, 495810), (1008, 487940), (1085, 453312), (1116, 440720), (1120, 439146), (1240, 396648), (1260, 390352), (1302, 377760), (1344, 365955), (1395, 352576), (1440, 341558), (1488, 330540), (1574, 312480), (1680, 292764), (1736, 283320), (1860, 264432), (1953, 251840), (1984, 247905), (2016, 243970), (2170, 226656), (2232, 220360), (2240, 219573), (2361, 208320), (2480, 198324), (2520, 195176), (2604, 188880), (2790, 176288), (2880, 170779), (2976, 165270), (3148, 156240), (3255, 151104), (3360, 146382), (3472, 141660), (3720, 132216), (3906, 125920), (3935, 124992), (4032, 121985), (4340, 113328), (4464, 110180), (4722, 104160), (4960, 99162), (5040, 97588), (5208, 94440), (5509, 89280), (5580, 88144), (5952, 82635), (6296, 78120), (6510, 75552), (6720, 73191), (6944, 70830), (7083, 69440), (7440, 66108), (7812, 62960), (7870, 62496), (8680, 56664), (8928, 55090), (9444, 52080), (9765, 50368), (9920, 49581), (10080, 48794), (10416, 47220), (11018, 44640), (11160, 44072), (11805, 41664), (12592, 39060), (13020, 37776), (13888, 35415), (14166, 34720), (14880, 33054), (15624, 31480), (15740, 31248), (16527, 29760), (17360, 28332), (17856, 27545), (18888, 26040), (19530, 25184), (20160, 24397), (20832, 23610), (22036, 22320)]