128941904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 333312000

約数和(自身を除く): 204370096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 59, 76, 79, 91, 104, 112, 118, 133, 152, 158, 182, 208, 236, 247, 266, 304, 316, 364, 413, 472, 494, 532, 553, 632, 728, 767, 826, 944, 988, 1027, 1064, 1106, 1121, 1264, 1456, 1501, 1534, 1652, 1729, 1976, 2054, 2128, 2212, 2242, 3002, 3068, 3304, 3458, 3952, 4108, 4424, 4484, 4661, 5369, 6004, 6136, 6608, 6916, 7189, 7847, 8216, 8848, 8968, 9322, 10507, 10738, 12008, 12272, 13832, 14378, 14573, 15694, 16432, 17936, 18644, 19513, 21014, 21476, 24016, 27664, 28756, 29146, 31388, 32627, 37288, 39026, 42028, 42952, 57512, 58292, 60593, 62776, 65254, 74576, 78052, 84056, 85904, 88559, 102011, 115024, 116584, 121186, 125552, 130508, 136591, 156104, 168112, 177118, 204022, 233168, 242372, 261016, 273182, 312208, 354236, 408044, 424151, 484744, 522032, 546364, 619913, 708472, 816088, 848302, 969488, 1092728, 1151267, 1239826, 1416944, 1632176, 1696604, 2185456, 2302534, 2479652, 3393208, 4605068, 4959304, 6786416, 8058869, 9210136, 9918608, 16117738, 18420272, 32235476, 64470952, 128941904]

約数ペア:

[(1, 128941904), (2, 64470952), (4, 32235476), (7, 18420272), (8, 16117738), (13, 9918608), (14, 9210136), (16, 8058869), (19, 6786416), (26, 4959304), (28, 4605068), (38, 3393208), (52, 2479652), (56, 2302534), (59, 2185456), (76, 1696604), (79, 1632176), (91, 1416944), (104, 1239826), (112, 1151267), (118, 1092728), (133, 969488), (152, 848302), (158, 816088), (182, 708472), (208, 619913), (236, 546364), (247, 522032), (266, 484744), (304, 424151), (316, 408044), (364, 354236), (413, 312208), (472, 273182), (494, 261016), (532, 242372), (553, 233168), (632, 204022), (728, 177118), (767, 168112), (826, 156104), (944, 136591), (988, 130508), (1027, 125552), (1064, 121186), (1106, 116584), (1121, 115024), (1264, 102011), (1456, 88559), (1501, 85904), (1534, 84056), (1652, 78052), (1729, 74576), (1976, 65254), (2054, 62776), (2128, 60593), (2212, 58292), (2242, 57512), (3002, 42952), (3068, 42028), (3304, 39026), (3458, 37288), (3952, 32627), (4108, 31388), (4424, 29146), (4484, 28756), (4661, 27664), (5369, 24016), (6004, 21476), (6136, 21014), (6608, 19513), (6916, 18644), (7189, 17936), (7847, 16432), (8216, 15694), (8848, 14573), (8968, 14378), (9322, 13832), (10507, 12272), (10738, 12008)]