128383488

素因数分解:

$2^9\times 3^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 391849920

約数和(自身を除く): 263466432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 251, 256, 288, 296, 333, 384, 432, 444, 502, 512, 576, 592, 666, 753, 768, 864, 888, 999, 1004, 1152, 1184, 1332, 1506, 1536, 1728, 1776, 1998, 2008, 2259, 2304, 2368, 2664, 3012, 3456, 3552, 3996, 4016, 4518, 4608, 4736, 5328, 6024, 6777, 6912, 7104, 7992, 8032, 9036, 9287, 9472, 10656, 12048, 13554, 13824, 14208, 15984, 16064, 18072, 18574, 18944, 21312, 24096, 27108, 27861, 28416, 31968, 32128, 36144, 37148, 42624, 48192, 54216, 55722, 56832, 63936, 64256, 72288, 74296, 83583, 85248, 96384, 108432, 111444, 127872, 128512, 144576, 148592, 167166, 170496, 192768, 216864, 222888, 250749, 255744, 289152, 297184, 334332, 385536, 433728, 445776, 501498, 511488, 578304, 594368, 668664, 867456, 891552, 1002996, 1156608, 1188736, 1337328, 1734912, 1783104, 2005992, 2377472, 2674656, 3469824, 3566208, 4011984, 4754944, 5349312, 7132416, 8023968, 10698624, 14264832, 16047936, 21397248, 32095872, 42794496, 64191744, 128383488]

約数ペア:

[(1, 128383488), (2, 64191744), (3, 42794496), (4, 32095872), (6, 21397248), (8, 16047936), (9, 14264832), (12, 10698624), (16, 8023968), (18, 7132416), (24, 5349312), (27, 4754944), (32, 4011984), (36, 3566208), (37, 3469824), (48, 2674656), (54, 2377472), (64, 2005992), (72, 1783104), (74, 1734912), (96, 1337328), (108, 1188736), (111, 1156608), (128, 1002996), (144, 891552), (148, 867456), (192, 668664), (216, 594368), (222, 578304), (251, 511488), (256, 501498), (288, 445776), (296, 433728), (333, 385536), (384, 334332), (432, 297184), (444, 289152), (502, 255744), (512, 250749), (576, 222888), (592, 216864), (666, 192768), (753, 170496), (768, 167166), (864, 148592), (888, 144576), (999, 128512), (1004, 127872), (1152, 111444), (1184, 108432), (1332, 96384), (1506, 85248), (1536, 83583), (1728, 74296), (1776, 72288), (1998, 64256), (2008, 63936), (2259, 56832), (2304, 55722), (2368, 54216), (2664, 48192), (3012, 42624), (3456, 37148), (3552, 36144), (3996, 32128), (4016, 31968), (4518, 28416), (4608, 27861), (4736, 27108), (5328, 24096), (6024, 21312), (6777, 18944), (6912, 18574), (7104, 18072), (7992, 16064), (8032, 15984), (9036, 14208), (9287, 13824), (9472, 13554), (10656, 12048)]