128639232

素因数分解:

$2^8\times 3^3\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 144

約数和(自身を含む): 391466880

約数和(自身を除く): 262827648

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, 256, 288, 296, 333, 384, 432, 444, 503, 576, 592, 666, 768, 864, 888, 999, 1006, 1152, 1184, 1332, 1509, 1728, 1776, 1998, 2012, 2304, 2368, 2664, 3018, 3456, 3552, 3996, 4024, 4527, 4736, 5328, 6036, 6912, 7104, 7992, 8048, 9054, 9472, 10656, 12072, 13581, 14208, 15984, 16096, 18108, 18611, 21312, 24144, 27162, 28416, 31968, 32192, 36216, 37222, 42624, 48288, 54324, 55833, 63936, 64384, 72432, 74444, 85248, 96576, 108648, 111666, 127872, 128768, 144864, 148888, 167499, 193152, 217296, 223332, 255744, 289728, 297776, 334998, 386304, 434592, 446664, 502497, 579456, 595552, 669996, 869184, 893328, 1004994, 1158912, 1191104, 1339992, 1738368, 1786656, 2009988, 2382208, 2679984, 3476736, 3573312, 4019976, 4764416, 5359968, 7146624, 8039952, 10719936, 14293248, 16079904, 21439872, 32159808, 42879744, 64319616, 128639232]

約数ペア:

[(1, 128639232), (2, 64319616), (3, 42879744), (4, 32159808), (6, 21439872), (8, 16079904), (9, 14293248), (12, 10719936), (16, 8039952), (18, 7146624), (24, 5359968), (27, 4764416), (32, 4019976), (36, 3573312), (37, 3476736), (48, 2679984), (54, 2382208), (64, 2009988), (72, 1786656), (74, 1738368), (96, 1339992), (108, 1191104), (111, 1158912), (128, 1004994), (144, 893328), (148, 869184), (192, 669996), (216, 595552), (222, 579456), (256, 502497), (288, 446664), (296, 434592), (333, 386304), (384, 334998), (432, 297776), (444, 289728), (503, 255744), (576, 223332), (592, 217296), (666, 193152), (768, 167499), (864, 148888), (888, 144864), (999, 128768), (1006, 127872), (1152, 111666), (1184, 108648), (1332, 96576), (1509, 85248), (1728, 74444), (1776, 72432), (1998, 64384), (2012, 63936), (2304, 55833), (2368, 54324), (2664, 48288), (3018, 42624), (3456, 37222), (3552, 36216), (3996, 32192), (4024, 31968), (4527, 28416), (4736, 27162), (5328, 24144), (6036, 21312), (6912, 18611), (7104, 18108), (7992, 16096), (8048, 15984), (9054, 14208), (9472, 13581), (10656, 12072)]