253780128

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 869387904

約数和(自身を除く): 615607776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 71, 72, 81, 84, 96, 108, 112, 126, 142, 144, 162, 168, 189, 197, 213, 216, 224, 252, 284, 288, 324, 336, 378, 394, 426, 432, 497, 504, 567, 568, 591, 639, 648, 672, 756, 788, 852, 864, 994, 1008, 1134, 1136, 1182, 1278, 1296, 1379, 1491, 1512, 1576, 1704, 1773, 1917, 1988, 2016, 2268, 2272, 2364, 2556, 2592, 2758, 2982, 3024, 3152, 3408, 3546, 3834, 3976, 4137, 4473, 4536, 4728, 5112, 5319, 5516, 5751, 5964, 6048, 6304, 6816, 7092, 7668, 7952, 8274, 8946, 9072, 9456, 10224, 10638, 11032, 11502, 11928, 12411, 13419, 13987, 14184, 15336, 15904, 15957, 16548, 17892, 18144, 18912, 20448, 21276, 22064, 23004, 23856, 24822, 26838, 27974, 28368, 30672, 31914, 33096, 35784, 37233, 40257, 41961, 42552, 44128, 46008, 47712, 49644, 53676, 55948, 56736, 61344, 63828, 66192, 71568, 74466, 80514, 83922, 85104, 92016, 97909, 99288, 107352, 111699, 111896, 125883, 127656, 132384, 143136, 148932, 161028, 167844, 170208, 184032, 195818, 198576, 214704, 223398, 223792, 251766, 255312, 293727, 297864, 322056, 335688, 377649, 391636, 397152, 429408, 446796, 447584, 503532, 510624, 587454, 595728, 644112, 671376, 755298, 783272, 881181, 893592, 1007064, 1132947, 1174908, 1191456, 1288224, 1342752, 1510596, 1566544, 1762362, 1787184, 2014128, 2265894, 2349816, 2643543, 3021192, 3133088, 3524724, 3574368, 4028256, 4531788, 4699632, 5287086, 6042384, 7049448, 7930629, 9063576, 9399264, 10574172, 12084768, 14098896, 15861258, 18127152, 21148344, 28197792, 31722516, 36254304, 42296688, 63445032, 84593376, 126890064, 253780128]

約数ペア:

[(1, 253780128), (2, 126890064), (3, 84593376), (4, 63445032), (6, 42296688), (7, 36254304), (8, 31722516), (9, 28197792), (12, 21148344), (14, 18127152), (16, 15861258), (18, 14098896), (21, 12084768), (24, 10574172), (27, 9399264), (28, 9063576), (32, 7930629), (36, 7049448), (42, 6042384), (48, 5287086), (54, 4699632), (56, 4531788), (63, 4028256), (71, 3574368), (72, 3524724), (81, 3133088), (84, 3021192), (96, 2643543), (108, 2349816), (112, 2265894), (126, 2014128), (142, 1787184), (144, 1762362), (162, 1566544), (168, 1510596), (189, 1342752), (197, 1288224), (213, 1191456), (216, 1174908), (224, 1132947), (252, 1007064), (284, 893592), (288, 881181), (324, 783272), (336, 755298), (378, 671376), (394, 644112), (426, 595728), (432, 587454), (497, 510624), (504, 503532), (567, 447584), (568, 446796), (591, 429408), (639, 397152), (648, 391636), (672, 377649), (756, 335688), (788, 322056), (852, 297864), (864, 293727), (994, 255312), (1008, 251766), (1134, 223792), (1136, 223398), (1182, 214704), (1278, 198576), (1296, 195818), (1379, 184032), (1491, 170208), (1512, 167844), (1576, 161028), (1704, 148932), (1773, 143136), (1917, 132384), (1988, 127656), (2016, 125883), (2268, 111896), (2272, 111699), (2364, 107352), (2556, 99288), (2592, 97909), (2758, 92016), (2982, 85104), (3024, 83922), (3152, 80514), (3408, 74466), (3546, 71568), (3834, 66192), (3976, 63828), (4137, 61344), (4473, 56736), (4536, 55948), (4728, 53676), (5112, 49644), (5319, 47712), (5516, 46008), (5751, 44128), (5964, 42552), (6048, 41961), (6304, 40257), (6816, 37233), (7092, 35784), (7668, 33096), (7952, 31914), (8274, 30672), (8946, 28368), (9072, 27974), (9456, 26838), (10224, 24822), (10638, 23856), (11032, 23004), (11502, 22064), (11928, 21276), (12411, 20448), (13419, 18912), (13987, 18144), (14184, 17892), (15336, 16548), (15904, 15957)]