263081520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 280

約数和(自身を含む): 990467856

約数和(自身を除く): 727386336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 347, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 694, 702, 720, 729, 780, 810, 936, 972, 1040, 1041, 1053, 1080, 1170, 1215, 1296, 1388, 1404, 1458, 1560, 1620, 1735, 1755, 1872, 1944, 2082, 2106, 2160, 2340, 2430, 2776, 2808, 2916, 3120, 3123, 3159, 3240, 3470, 3510, 3645, 3888, 4164, 4212, 4511, 4680, 4860, 5205, 5265, 5552, 5616, 5832, 6246, 6318, 6480, 6940, 7020, 7290, 8328, 8424, 9022, 9360, 9369, 9477, 9720, 10410, 10530, 11664, 12492, 12636, 13533, 13880, 14040, 14580, 15615, 15795, 16656, 16848, 18044, 18738, 18954, 19440, 20820, 21060, 22555, 24984, 25272, 27066, 27760, 28080, 28107, 29160, 31230, 31590, 36088, 37476, 37908, 40599, 41640, 42120, 45110, 46845, 47385, 49968, 50544, 54132, 56214, 58320, 62460, 63180, 67665, 72176, 74952, 75816, 81198, 83280, 84240, 84321, 90220, 93690, 94770, 108264, 112428, 121797, 124920, 126360, 135330, 140535, 149904, 151632, 162396, 168642, 180440, 187380, 189540, 202995, 216528, 224856, 243594, 249840, 252720, 252963, 270660, 281070, 324792, 337284, 360880, 365391, 374760, 379080, 405990, 421605, 449712, 487188, 505926, 541320, 562140, 608985, 649584, 674568, 730782, 749520, 758160, 811980, 843210, 974376, 1011852, 1082640, 1096173, 1124280, 1217970, 1264815, 1349136, 1461564, 1623960, 1686420, 1826955, 1948752, 2023704, 2192346, 2248560, 2435940, 2529630, 2923128, 3247920, 3288519, 3372840, 3653910, 4047408, 4384692, 4871880, 5059260, 5480865, 5846256, 6577038, 6745680, 7307820, 8769384, 9743760, 10118520, 10961730, 13154076, 14615640, 16442595, 17538768, 20237040, 21923460, 26308152, 29231280, 32885190, 43846920, 52616304, 65770380, 87693840, 131540760, 263081520]

約数ペア:

[(1, 263081520), (2, 131540760), (3, 87693840), (4, 65770380), (5, 52616304), (6, 43846920), (8, 32885190), (9, 29231280), (10, 26308152), (12, 21923460), (13, 20237040), (15, 17538768), (16, 16442595), (18, 14615640), (20, 13154076), (24, 10961730), (26, 10118520), (27, 9743760), (30, 8769384), (36, 7307820), (39, 6745680), (40, 6577038), (45, 5846256), (48, 5480865), (52, 5059260), (54, 4871880), (60, 4384692), (65, 4047408), (72, 3653910), (78, 3372840), (80, 3288519), (81, 3247920), (90, 2923128), (104, 2529630), (108, 2435940), (117, 2248560), (120, 2192346), (130, 2023704), (135, 1948752), (144, 1826955), (156, 1686420), (162, 1623960), (180, 1461564), (195, 1349136), (208, 1264815), (216, 1217970), (234, 1124280), (240, 1096173), (243, 1082640), (260, 1011852), (270, 974376), (312, 843210), (324, 811980), (347, 758160), (351, 749520), (360, 730782), (390, 674568), (405, 649584), (432, 608985), (468, 562140), (486, 541320), (520, 505926), (540, 487188), (585, 449712), (624, 421605), (648, 405990), (694, 379080), (702, 374760), (720, 365391), (729, 360880), (780, 337284), (810, 324792), (936, 281070), (972, 270660), (1040, 252963), (1041, 252720), (1053, 249840), (1080, 243594), (1170, 224856), (1215, 216528), (1296, 202995), (1388, 189540), (1404, 187380), (1458, 180440), (1560, 168642), (1620, 162396), (1735, 151632), (1755, 149904), (1872, 140535), (1944, 135330), (2082, 126360), (2106, 124920), (2160, 121797), (2340, 112428), (2430, 108264), (2776, 94770), (2808, 93690), (2916, 90220), (3120, 84321), (3123, 84240), (3159, 83280), (3240, 81198), (3470, 75816), (3510, 74952), (3645, 72176), (3888, 67665), (4164, 63180), (4212, 62460), (4511, 58320), (4680, 56214), (4860, 54132), (5205, 50544), (5265, 49968), (5552, 47385), (5616, 46845), (5832, 45110), (6246, 42120), (6318, 41640), (6480, 40599), (6940, 37908), (7020, 37476), (7290, 36088), (8328, 31590), (8424, 31230), (9022, 29160), (9360, 28107), (9369, 28080), (9477, 27760), (9720, 27066), (10410, 25272), (10530, 24984), (11664, 22555), (12492, 21060), (12636, 20820), (13533, 19440), (13880, 18954), (14040, 18738), (14580, 18044), (15615, 16848), (15795, 16656)]