208973520

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 400

約数和(自身を含む): 881515008

約数和(自身を除く): 672541488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 81, 84, 85, 90, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 162, 168, 170, 180, 189, 204, 210, 216, 238, 240, 252, 255, 270, 271, 272, 280, 306, 315, 324, 336, 340, 357, 360, 378, 405, 408, 420, 432, 459, 476, 504, 510, 540, 542, 560, 567, 595, 612, 630, 648, 680, 714, 720, 756, 765, 810, 813, 816, 840, 918, 945, 952, 1008, 1020, 1071, 1080, 1084, 1134, 1190, 1224, 1260, 1296, 1355, 1360, 1377, 1428, 1512, 1530, 1620, 1626, 1680, 1785, 1836, 1890, 1897, 1904, 2040, 2142, 2160, 2168, 2268, 2295, 2380, 2439, 2448, 2520, 2710, 2754, 2835, 2856, 3024, 3060, 3213, 3240, 3252, 3570, 3672, 3780, 3794, 4065, 4080, 4284, 4336, 4536, 4590, 4607, 4760, 4878, 5040, 5355, 5420, 5508, 5670, 5691, 5712, 6120, 6426, 6480, 6504, 6885, 7140, 7317, 7344, 7560, 7588, 8130, 8568, 9072, 9180, 9214, 9485, 9520, 9639, 9756, 10710, 10840, 11016, 11340, 11382, 12195, 12240, 12852, 13008, 13770, 13821, 14280, 14634, 15120, 15176, 16065, 16260, 17073, 17136, 18360, 18428, 18970, 19278, 19512, 21420, 21680, 21951, 22032, 22680, 22764, 23035, 24390, 25704, 27540, 27642, 28455, 28560, 29268, 30352, 32130, 32249, 32520, 34146, 36585, 36720, 36856, 37940, 38556, 39024, 41463, 42840, 43902, 45360, 45528, 46070, 48195, 48780, 51219, 51408, 55080, 55284, 56910, 58536, 64260, 64498, 65040, 68292, 69105, 73170, 73712, 75880, 77112, 82926, 85365, 85680, 87804, 91056, 92140, 96390, 96747, 97560, 102438, 109755, 110160, 110568, 113820, 117072, 124389, 128520, 128996, 136584, 138210, 146340, 151760, 153657, 154224, 161245, 165852, 170730, 175608, 184280, 192780, 193494, 195120, 204876, 207315, 219510, 221136, 227640, 248778, 256095, 257040, 257992, 273168, 276420, 290241, 292680, 307314, 322490, 331704, 341460, 351216, 368560, 373167, 385560, 386988, 409752, 414630, 439020, 455280, 483735, 497556, 512190, 515984, 552840, 580482, 585360, 614628, 621945, 644980, 663408, 682920, 746334, 768285, 771120, 773976, 819504, 829260, 870723, 878040, 967470, 995112, 1024380, 1105680, 1160964, 1229256, 1243890, 1289960, 1365840, 1451205, 1492668, 1536570, 1547952, 1658520, 1741446, 1756080, 1865835, 1934940, 1990224, 2048760, 2321928, 2458512, 2487780, 2579920, 2612169, 2902410, 2985336, 3073140, 3317040, 3482892, 3731670, 3869880, 4097520, 4353615, 4643856, 4975560, 5224338, 5804820, 5970672, 6146280, 6965784, 7463340, 7739760, 8707230, 9951120, 10448676, 11609640, 12292560, 13060845, 13931568, 14926680, 17414460, 20897352, 23219280, 26121690, 29853360, 34828920, 41794704, 52243380, 69657840, 104486760, 208973520]

約数ペア:

[(1, 208973520), (2, 104486760), (3, 69657840), (4, 52243380), (5, 41794704), (6, 34828920), (7, 29853360), (8, 26121690), (9, 23219280), (10, 20897352), (12, 17414460), (14, 14926680), (15, 13931568), (16, 13060845), (17, 12292560), (18, 11609640), (20, 10448676), (21, 9951120), (24, 8707230), (27, 7739760), (28, 7463340), (30, 6965784), (34, 6146280), (35, 5970672), (36, 5804820), (40, 5224338), (42, 4975560), (45, 4643856), (48, 4353615), (51, 4097520), (54, 3869880), (56, 3731670), (60, 3482892), (63, 3317040), (68, 3073140), (70, 2985336), (72, 2902410), (80, 2612169), (81, 2579920), (84, 2487780), (85, 2458512), (90, 2321928), (102, 2048760), (105, 1990224), (108, 1934940), (112, 1865835), (119, 1756080), (120, 1741446), (126, 1658520), (135, 1547952), (136, 1536570), (140, 1492668), (144, 1451205), (153, 1365840), (162, 1289960), (168, 1243890), (170, 1229256), (180, 1160964), (189, 1105680), (204, 1024380), (210, 995112), (216, 967470), (238, 878040), (240, 870723), (252, 829260), (255, 819504), (270, 773976), (271, 771120), (272, 768285), (280, 746334), (306, 682920), (315, 663408), (324, 644980), (336, 621945), (340, 614628), (357, 585360), (360, 580482), (378, 552840), (405, 515984), (408, 512190), (420, 497556), (432, 483735), (459, 455280), (476, 439020), (504, 414630), (510, 409752), (540, 386988), (542, 385560), (560, 373167), (567, 368560), (595, 351216), (612, 341460), (630, 331704), (648, 322490), (680, 307314), (714, 292680), (720, 290241), (756, 276420), (765, 273168), (810, 257992), (813, 257040), (816, 256095), (840, 248778), (918, 227640), (945, 221136), (952, 219510), (1008, 207315), (1020, 204876), (1071, 195120), (1080, 193494), (1084, 192780), (1134, 184280), (1190, 175608), (1224, 170730), (1260, 165852), (1296, 161245), (1355, 154224), (1360, 153657), (1377, 151760), (1428, 146340), (1512, 138210), (1530, 136584), (1620, 128996), (1626, 128520), (1680, 124389), (1785, 117072), (1836, 113820), (1890, 110568), (1897, 110160), (1904, 109755), (2040, 102438), (2142, 97560), (2160, 96747), (2168, 96390), (2268, 92140), (2295, 91056), (2380, 87804), (2439, 85680), (2448, 85365), (2520, 82926), (2710, 77112), (2754, 75880), (2835, 73712), (2856, 73170), (3024, 69105), (3060, 68292), (3213, 65040), (3240, 64498), (3252, 64260), (3570, 58536), (3672, 56910), (3780, 55284), (3794, 55080), (4065, 51408), (4080, 51219), (4284, 48780), (4336, 48195), (4536, 46070), (4590, 45528), (4607, 45360), (4760, 43902), (4878, 42840), (5040, 41463), (5355, 39024), (5420, 38556), (5508, 37940), (5670, 36856), (5691, 36720), (5712, 36585), (6120, 34146), (6426, 32520), (6480, 32249), (6504, 32130), (6885, 30352), (7140, 29268), (7317, 28560), (7344, 28455), (7560, 27642), (7588, 27540), (8130, 25704), (8568, 24390), (9072, 23035), (9180, 22764), (9214, 22680), (9485, 22032), (9520, 21951), (9639, 21680), (9756, 21420), (10710, 19512), (10840, 19278), (11016, 18970), (11340, 18428), (11382, 18360), (12195, 17136), (12240, 17073), (12852, 16260), (13008, 16065), (13770, 15176), (13821, 15120), (14280, 14634)]