1261370656

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 3210762240

約数和(自身を除く): 1949391584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 89, 91, 104, 112, 124, 157, 178, 182, 208, 217, 224, 248, 314, 356, 364, 403, 416, 434, 496, 623, 628, 712, 728, 806, 868, 992, 1099, 1157, 1246, 1256, 1424, 1456, 1612, 1736, 2041, 2198, 2314, 2492, 2512, 2759, 2821, 2848, 2912, 3224, 3472, 4082, 4396, 4628, 4867, 4984, 5024, 5518, 5642, 6448, 6944, 8099, 8164, 8792, 9256, 9734, 9968, 11036, 11284, 12896, 13973, 14287, 16198, 16328, 17584, 18512, 19313, 19468, 19936, 22072, 22568, 27946, 28574, 32396, 32656, 34069, 35168, 35867, 37024, 38626, 38936, 44144, 45136, 55892, 57148, 63271, 64792, 65312, 68138, 71734, 77252, 77872, 88288, 90272, 97811, 111784, 114296, 126542, 129584, 136276, 143468, 154504, 155744, 181649, 195622, 223568, 228592, 251069, 253084, 259168, 272552, 286936, 309008, 363298, 391244, 433163, 442897, 447136, 457184, 502138, 506168, 545104, 573872, 618016, 726596, 782488, 866326, 885794, 1004276, 1012336, 1090208, 1147744, 1271543, 1453192, 1564976, 1732652, 1771588, 2008552, 2024672, 2543086, 2906384, 3032141, 3129952, 3465304, 3543176, 4017104, 5086172, 5631119, 5812768, 6064282, 6930608, 7086352, 8034208, 10172344, 11262238, 12128564, 13861216, 14172704, 20344688, 22524476, 24257128, 39417833, 40689376, 45048952, 48514256, 78835666, 90097904, 97028512, 157671332, 180195808, 315342664, 630685328, 1261370656]

約数ペア:

[(1, 1261370656), (2, 630685328), (4, 315342664), (7, 180195808), (8, 157671332), (13, 97028512), (14, 90097904), (16, 78835666), (26, 48514256), (28, 45048952), (31, 40689376), (32, 39417833), (52, 24257128), (56, 22524476), (62, 20344688), (89, 14172704), (91, 13861216), (104, 12128564), (112, 11262238), (124, 10172344), (157, 8034208), (178, 7086352), (182, 6930608), (208, 6064282), (217, 5812768), (224, 5631119), (248, 5086172), (314, 4017104), (356, 3543176), (364, 3465304), (403, 3129952), (416, 3032141), (434, 2906384), (496, 2543086), (623, 2024672), (628, 2008552), (712, 1771588), (728, 1732652), (806, 1564976), (868, 1453192), (992, 1271543), (1099, 1147744), (1157, 1090208), (1246, 1012336), (1256, 1004276), (1424, 885794), (1456, 866326), (1612, 782488), (1736, 726596), (2041, 618016), (2198, 573872), (2314, 545104), (2492, 506168), (2512, 502138), (2759, 457184), (2821, 447136), (2848, 442897), (2912, 433163), (3224, 391244), (3472, 363298), (4082, 309008), (4396, 286936), (4628, 272552), (4867, 259168), (4984, 253084), (5024, 251069), (5518, 228592), (5642, 223568), (6448, 195622), (6944, 181649), (8099, 155744), (8164, 154504), (8792, 143468), (9256, 136276), (9734, 129584), (9968, 126542), (11036, 114296), (11284, 111784), (12896, 97811), (13973, 90272), (14287, 88288), (16198, 77872), (16328, 77252), (17584, 71734), (18512, 68138), (19313, 65312), (19468, 64792), (19936, 63271), (22072, 57148), (22568, 55892), (27946, 45136), (28574, 44144), (32396, 38936), (32656, 38626), (34069, 37024), (35168, 35867)]