1285159680

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{15937}}^1$

素因数の和:15971

約数の個数: 216

約数和(自身を含む): 5082054432

約数和(自身を除く): 3796894752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 15937, 16128, 20160, 26880, 31874, 40320, 47811, 63748, 79685, 80640, 95622, 111559, 127496, 143433, 159370, 191244, 223118, 239055, 254992, 286866, 318740, 334677, 382488, 446236, 478110, 509984, 557795, 573732, 637480, 669354, 717165, 764976, 892472, 956220, 1004031, 1019968, 1115590, 1147464, 1274960, 1338708, 1434330, 1529952, 1673385, 1784944, 1912440, 2008062, 2039936, 2231180, 2294928, 2549920, 2677416, 2868660, 3059904, 3346770, 3569888, 3824880, 4016124, 4079872, 4462360, 4589856, 5020155, 5099840, 5354832, 5737320, 6119808, 6693540, 7139776, 7649760, 8032248, 8924720, 9179712, 10040310, 10199680, 10709664, 11474640, 12239616, 13387080, 14279552, 15299520, 16064496, 17849440, 18359424, 20080620, 20399360, 21419328, 22949280, 26774160, 28559104, 30599040, 32128992, 35698880, 36718848, 40161240, 42838656, 45898560, 53548320, 61198080, 64257984, 71397760, 80322480, 85677312, 91797120, 107096640, 128515968, 142795520, 160644960, 183594240, 214193280, 257031936, 321289920, 428386560, 642579840, 1285159680]

約数ペア:

[(1, 1285159680), (2, 642579840), (3, 428386560), (4, 321289920), (5, 257031936), (6, 214193280), (7, 183594240), (8, 160644960), (9, 142795520), (10, 128515968), (12, 107096640), (14, 91797120), (15, 85677312), (16, 80322480), (18, 71397760), (20, 64257984), (21, 61198080), (24, 53548320), (28, 45898560), (30, 42838656), (32, 40161240), (35, 36718848), (36, 35698880), (40, 32128992), (42, 30599040), (45, 28559104), (48, 26774160), (56, 22949280), (60, 21419328), (63, 20399360), (64, 20080620), (70, 18359424), (72, 17849440), (80, 16064496), (84, 15299520), (90, 14279552), (96, 13387080), (105, 12239616), (112, 11474640), (120, 10709664), (126, 10199680), (128, 10040310), (140, 9179712), (144, 8924720), (160, 8032248), (168, 7649760), (180, 7139776), (192, 6693540), (210, 6119808), (224, 5737320), (240, 5354832), (252, 5099840), (256, 5020155), (280, 4589856), (288, 4462360), (315, 4079872), (320, 4016124), (336, 3824880), (360, 3569888), (384, 3346770), (420, 3059904), (448, 2868660), (480, 2677416), (504, 2549920), (560, 2294928), (576, 2231180), (630, 2039936), (640, 2008062), (672, 1912440), (720, 1784944), (768, 1673385), (840, 1529952), (896, 1434330), (960, 1338708), (1008, 1274960), (1120, 1147464), (1152, 1115590), (1260, 1019968), (1280, 1004031), (1344, 956220), (1440, 892472), (1680, 764976), (1792, 717165), (1920, 669354), (2016, 637480), (2240, 573732), (2304, 557795), (2520, 509984), (2688, 478110), (2880, 446236), (3360, 382488), (3840, 334677), (4032, 318740), (4480, 286866), (5040, 254992), (5376, 239055), (5760, 223118), (6720, 191244), (8064, 159370), (8960, 143433), (10080, 127496), (11520, 111559), (13440, 95622), (15937, 80640), (16128, 79685), (20160, 63748), (26880, 47811), (31874, 40320)]