257081328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 865914816

約数和(自身を除く): 608833488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 61, 63, 72, 74, 84, 111, 112, 113, 122, 126, 144, 148, 168, 183, 222, 226, 244, 252, 259, 296, 333, 336, 339, 366, 427, 444, 452, 488, 504, 518, 549, 592, 666, 678, 732, 777, 791, 854, 888, 904, 976, 1008, 1017, 1036, 1098, 1281, 1332, 1356, 1464, 1554, 1582, 1708, 1776, 1808, 2034, 2072, 2196, 2257, 2331, 2373, 2562, 2664, 2712, 2928, 3108, 3164, 3416, 3843, 4068, 4144, 4181, 4392, 4514, 4662, 4746, 5124, 5328, 5424, 6216, 6328, 6771, 6832, 6893, 7119, 7686, 8136, 8362, 8784, 9028, 9324, 9492, 10248, 12432, 12543, 12656, 13542, 13786, 14238, 15372, 15799, 16272, 16724, 18056, 18648, 18984, 20313, 20496, 20679, 25086, 27084, 27572, 28476, 29267, 30744, 31598, 33448, 36112, 37296, 37629, 37968, 40626, 41358, 47397, 48251, 50172, 54168, 55144, 56952, 58534, 61488, 62037, 63196, 66896, 75258, 81252, 82716, 87801, 94794, 96502, 100344, 108336, 110288, 113904, 117068, 124074, 126392, 142191, 144753, 150516, 162504, 165432, 175602, 189588, 193004, 200688, 234136, 248148, 252784, 255041, 263403, 284382, 289506, 301032, 325008, 330864, 351204, 379176, 386008, 434259, 468272, 496296, 510082, 526806, 568764, 579012, 602064, 702408, 758352, 765123, 772016, 868518, 992592, 1020164, 1053612, 1137528, 1158024, 1404816, 1530246, 1737036, 1785287, 2040328, 2107224, 2275056, 2295369, 2316048, 3060492, 3474072, 3570574, 4080656, 4214448, 4590738, 5355861, 6120984, 6948144, 7141148, 9181476, 10711722, 12241968, 14282296, 16067583, 18362952, 21423444, 28564592, 32135166, 36725904, 42846888, 64270332, 85693776, 128540664, 257081328]

約数ペア:

[(1, 257081328), (2, 128540664), (3, 85693776), (4, 64270332), (6, 42846888), (7, 36725904), (8, 32135166), (9, 28564592), (12, 21423444), (14, 18362952), (16, 16067583), (18, 14282296), (21, 12241968), (24, 10711722), (28, 9181476), (36, 7141148), (37, 6948144), (42, 6120984), (48, 5355861), (56, 4590738), (61, 4214448), (63, 4080656), (72, 3570574), (74, 3474072), (84, 3060492), (111, 2316048), (112, 2295369), (113, 2275056), (122, 2107224), (126, 2040328), (144, 1785287), (148, 1737036), (168, 1530246), (183, 1404816), (222, 1158024), (226, 1137528), (244, 1053612), (252, 1020164), (259, 992592), (296, 868518), (333, 772016), (336, 765123), (339, 758352), (366, 702408), (427, 602064), (444, 579012), (452, 568764), (488, 526806), (504, 510082), (518, 496296), (549, 468272), (592, 434259), (666, 386008), (678, 379176), (732, 351204), (777, 330864), (791, 325008), (854, 301032), (888, 289506), (904, 284382), (976, 263403), (1008, 255041), (1017, 252784), (1036, 248148), (1098, 234136), (1281, 200688), (1332, 193004), (1356, 189588), (1464, 175602), (1554, 165432), (1582, 162504), (1708, 150516), (1776, 144753), (1808, 142191), (2034, 126392), (2072, 124074), (2196, 117068), (2257, 113904), (2331, 110288), (2373, 108336), (2562, 100344), (2664, 96502), (2712, 94794), (2928, 87801), (3108, 82716), (3164, 81252), (3416, 75258), (3843, 66896), (4068, 63196), (4144, 62037), (4181, 61488), (4392, 58534), (4514, 56952), (4662, 55144), (4746, 54168), (5124, 50172), (5328, 48251), (5424, 47397), (6216, 41358), (6328, 40626), (6771, 37968), (6832, 37629), (6893, 37296), (7119, 36112), (7686, 33448), (8136, 31598), (8362, 30744), (8784, 29267), (9028, 28476), (9324, 27572), (9492, 27084), (10248, 25086), (12432, 20679), (12543, 20496), (12656, 20313), (13542, 18984), (13786, 18648), (14238, 18056), (15372, 16724), (15799, 16272)]