820041408

素因数分解:

$2^6\times 3^5\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 168

約数和(自身を含む): 2477081152

約数和(自身を除く): 1657039744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 81, 96, 108, 134, 144, 162, 192, 201, 216, 243, 268, 288, 324, 402, 432, 486, 536, 576, 603, 648, 787, 804, 864, 972, 1072, 1206, 1296, 1574, 1608, 1728, 1809, 1944, 2144, 2361, 2412, 2592, 3148, 3216, 3618, 3888, 4288, 4722, 4824, 5184, 5427, 6296, 6432, 7083, 7236, 7776, 9444, 9648, 10854, 12592, 12864, 14166, 14472, 15552, 16281, 18888, 19296, 21249, 21708, 25184, 28332, 28944, 32562, 37776, 38592, 42498, 43416, 50368, 52729, 56664, 57888, 63747, 65124, 75552, 84996, 86832, 105458, 113328, 115776, 127494, 130248, 151104, 158187, 169992, 173664, 191241, 210916, 226656, 254988, 260496, 316374, 339984, 347328, 382482, 421832, 453312, 474561, 509976, 520992, 632748, 679968, 764964, 843664, 949122, 1019952, 1041984, 1265496, 1359936, 1423683, 1529928, 1687328, 1898244, 2039904, 2530992, 2847366, 3059856, 3374656, 3796488, 4079808, 4271049, 5061984, 5694732, 6119712, 7592976, 8542098, 10123968, 11389464, 12239424, 12813147, 15185952, 17084196, 22778928, 25626294, 30371904, 34168392, 45557856, 51252588, 68336784, 91115712, 102505176, 136673568, 205010352, 273347136, 410020704, 820041408]

約数ペア:

[(1, 820041408), (2, 410020704), (3, 273347136), (4, 205010352), (6, 136673568), (8, 102505176), (9, 91115712), (12, 68336784), (16, 51252588), (18, 45557856), (24, 34168392), (27, 30371904), (32, 25626294), (36, 22778928), (48, 17084196), (54, 15185952), (64, 12813147), (67, 12239424), (72, 11389464), (81, 10123968), (96, 8542098), (108, 7592976), (134, 6119712), (144, 5694732), (162, 5061984), (192, 4271049), (201, 4079808), (216, 3796488), (243, 3374656), (268, 3059856), (288, 2847366), (324, 2530992), (402, 2039904), (432, 1898244), (486, 1687328), (536, 1529928), (576, 1423683), (603, 1359936), (648, 1265496), (787, 1041984), (804, 1019952), (864, 949122), (972, 843664), (1072, 764964), (1206, 679968), (1296, 632748), (1574, 520992), (1608, 509976), (1728, 474561), (1809, 453312), (1944, 421832), (2144, 382482), (2361, 347328), (2412, 339984), (2592, 316374), (3148, 260496), (3216, 254988), (3618, 226656), (3888, 210916), (4288, 191241), (4722, 173664), (4824, 169992), (5184, 158187), (5427, 151104), (6296, 130248), (6432, 127494), (7083, 115776), (7236, 113328), (7776, 105458), (9444, 86832), (9648, 84996), (10854, 75552), (12592, 65124), (12864, 63747), (14166, 57888), (14472, 56664), (15552, 52729), (16281, 50368), (18888, 43416), (19296, 42498), (21249, 38592), (21708, 37776), (25184, 32562), (28332, 28944)]