1287767808

素因数分解:

$2^8\times 3^5\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 3904595968

約数和(自身を除く): 2616828160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 127, 128, 144, 162, 163, 192, 216, 243, 254, 256, 288, 324, 326, 381, 384, 432, 486, 489, 508, 576, 648, 652, 762, 768, 864, 972, 978, 1016, 1143, 1152, 1296, 1304, 1467, 1524, 1728, 1944, 1956, 2032, 2286, 2304, 2592, 2608, 2934, 3048, 3429, 3456, 3888, 3912, 4064, 4401, 4572, 5184, 5216, 5868, 6096, 6858, 6912, 7776, 7824, 8128, 8802, 9144, 10287, 10368, 10432, 11736, 12192, 13203, 13716, 15552, 15648, 16256, 17604, 18288, 20574, 20701, 20736, 20864, 23472, 24384, 26406, 27432, 30861, 31104, 31296, 32512, 35208, 36576, 39609, 41148, 41402, 41728, 46944, 48768, 52812, 54864, 61722, 62103, 62208, 62592, 70416, 73152, 79218, 82296, 82804, 93888, 97536, 105624, 109728, 123444, 124206, 125184, 140832, 146304, 158436, 164592, 165608, 186309, 187776, 211248, 219456, 246888, 248412, 281664, 292608, 316872, 329184, 331216, 372618, 375552, 422496, 438912, 493776, 496824, 558927, 563328, 633744, 658368, 662432, 745236, 844992, 877824, 987552, 993648, 1117854, 1126656, 1267488, 1316736, 1324864, 1490472, 1676781, 1689984, 1975104, 1987296, 2235708, 2534976, 2633472, 2649728, 2980944, 3353562, 3379968, 3950208, 3974592, 4471416, 5030343, 5069952, 5299456, 5961888, 6707124, 7900416, 7949184, 8942832, 10060686, 10139904, 11923776, 13414248, 15898368, 17885664, 20121372, 23847552, 26828496, 35771328, 40242744, 47695104, 53656992, 71542656, 80485488, 107313984, 143085312, 160970976, 214627968, 321941952, 429255936, 643883904, 1287767808]

約数ペア:

[(1, 1287767808), (2, 643883904), (3, 429255936), (4, 321941952), (6, 214627968), (8, 160970976), (9, 143085312), (12, 107313984), (16, 80485488), (18, 71542656), (24, 53656992), (27, 47695104), (32, 40242744), (36, 35771328), (48, 26828496), (54, 23847552), (64, 20121372), (72, 17885664), (81, 15898368), (96, 13414248), (108, 11923776), (127, 10139904), (128, 10060686), (144, 8942832), (162, 7949184), (163, 7900416), (192, 6707124), (216, 5961888), (243, 5299456), (254, 5069952), (256, 5030343), (288, 4471416), (324, 3974592), (326, 3950208), (381, 3379968), (384, 3353562), (432, 2980944), (486, 2649728), (489, 2633472), (508, 2534976), (576, 2235708), (648, 1987296), (652, 1975104), (762, 1689984), (768, 1676781), (864, 1490472), (972, 1324864), (978, 1316736), (1016, 1267488), (1143, 1126656), (1152, 1117854), (1296, 993648), (1304, 987552), (1467, 877824), (1524, 844992), (1728, 745236), (1944, 662432), (1956, 658368), (2032, 633744), (2286, 563328), (2304, 558927), (2592, 496824), (2608, 493776), (2934, 438912), (3048, 422496), (3429, 375552), (3456, 372618), (3888, 331216), (3912, 329184), (4064, 316872), (4401, 292608), (4572, 281664), (5184, 248412), (5216, 246888), (5868, 219456), (6096, 211248), (6858, 187776), (6912, 186309), (7776, 165608), (7824, 164592), (8128, 158436), (8802, 146304), (9144, 140832), (10287, 125184), (10368, 124206), (10432, 123444), (11736, 109728), (12192, 105624), (13203, 97536), (13716, 93888), (15552, 82804), (15648, 82296), (16256, 79218), (17604, 73152), (18288, 70416), (20574, 62592), (20701, 62208), (20736, 62103), (20864, 61722), (23472, 54864), (24384, 52812), (26406, 48768), (27432, 46944), (30861, 41728), (31104, 41402), (31296, 41148), (32512, 39609), (35208, 36576)]