128804256

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 240

約数和(自身を含む): 448842240

約数和(自身を除く): 320037984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 229, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 458, 496, 504, 558, 567, 648, 651, 672, 687, 744, 756, 837, 864, 868, 916, 992, 1008, 1116, 1134, 1296, 1302, 1374, 1488, 1512, 1603, 1674, 1736, 1832, 1953, 2016, 2061, 2232, 2268, 2511, 2592, 2604, 2748, 2976, 3024, 3206, 3348, 3472, 3664, 3906, 4122, 4464, 4536, 4809, 5022, 5208, 5496, 5859, 6048, 6183, 6412, 6696, 6944, 7099, 7328, 7812, 8244, 8928, 9072, 9618, 10044, 10416, 10992, 11718, 12366, 12824, 13392, 14198, 14427, 15624, 16488, 17577, 18144, 18549, 19236, 20088, 20832, 21297, 21984, 23436, 24732, 25648, 26784, 28396, 28854, 31248, 32976, 35154, 37098, 38472, 40176, 42594, 43281, 46872, 49464, 49693, 51296, 56792, 57708, 62496, 63891, 65952, 70308, 74196, 76944, 80352, 85188, 86562, 93744, 98928, 99386, 113584, 115416, 127782, 129843, 140616, 148392, 149079, 153888, 170376, 173124, 187488, 191673, 197856, 198772, 227168, 230832, 255564, 259686, 281232, 296784, 298158, 340752, 346248, 383346, 397544, 447237, 461664, 511128, 519372, 562464, 575019, 593568, 596316, 681504, 692496, 766692, 795088, 894474, 1022256, 1038744, 1150038, 1192632, 1341711, 1384992, 1533384, 1590176, 1788948, 2044512, 2077488, 2300076, 2385264, 2683422, 3066768, 3577896, 4025133, 4154976, 4600152, 4770528, 5366844, 6133536, 7155792, 8050266, 9200304, 10733688, 14311584, 16100532, 18400608, 21467376, 32201064, 42934752, 64402128, 128804256]

約数ペア:

[(1, 128804256), (2, 64402128), (3, 42934752), (4, 32201064), (6, 21467376), (7, 18400608), (8, 16100532), (9, 14311584), (12, 10733688), (14, 9200304), (16, 8050266), (18, 7155792), (21, 6133536), (24, 5366844), (27, 4770528), (28, 4600152), (31, 4154976), (32, 4025133), (36, 3577896), (42, 3066768), (48, 2683422), (54, 2385264), (56, 2300076), (62, 2077488), (63, 2044512), (72, 1788948), (81, 1590176), (84, 1533384), (93, 1384992), (96, 1341711), (108, 1192632), (112, 1150038), (124, 1038744), (126, 1022256), (144, 894474), (162, 795088), (168, 766692), (186, 692496), (189, 681504), (216, 596316), (217, 593568), (224, 575019), (229, 562464), (248, 519372), (252, 511128), (279, 461664), (288, 447237), (324, 397544), (336, 383346), (372, 346248), (378, 340752), (432, 298158), (434, 296784), (458, 281232), (496, 259686), (504, 255564), (558, 230832), (567, 227168), (648, 198772), (651, 197856), (672, 191673), (687, 187488), (744, 173124), (756, 170376), (837, 153888), (864, 149079), (868, 148392), (916, 140616), (992, 129843), (1008, 127782), (1116, 115416), (1134, 113584), (1296, 99386), (1302, 98928), (1374, 93744), (1488, 86562), (1512, 85188), (1603, 80352), (1674, 76944), (1736, 74196), (1832, 70308), (1953, 65952), (2016, 63891), (2061, 62496), (2232, 57708), (2268, 56792), (2511, 51296), (2592, 49693), (2604, 49464), (2748, 46872), (2976, 43281), (3024, 42594), (3206, 40176), (3348, 38472), (3472, 37098), (3664, 35154), (3906, 32976), (4122, 31248), (4464, 28854), (4536, 28396), (4809, 26784), (5022, 25648), (5208, 24732), (5496, 23436), (5859, 21984), (6048, 21297), (6183, 20832), (6412, 20088), (6696, 19236), (6944, 18549), (7099, 18144), (7328, 17577), (7812, 16488), (8244, 15624), (8928, 14427), (9072, 14198), (9618, 13392), (10044, 12824), (10416, 12366), (10992, 11718)]