168987520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1120

約数の個数: 128

約数和(自身を含む): 458388000

約数和(自身を除く): 289400480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1069, 1216, 1235, 1520, 1664, 1976, 2080, 2138, 2432, 2470, 3040, 3952, 4160, 4276, 4940, 5345, 6080, 7904, 8320, 8552, 9880, 10690, 12160, 13897, 15808, 17104, 19760, 20311, 21380, 27794, 31616, 34208, 39520, 40622, 42760, 55588, 68416, 69485, 79040, 81244, 85520, 101555, 111176, 136832, 138970, 158080, 162488, 171040, 203110, 222352, 264043, 277940, 324976, 342080, 406220, 444704, 528086, 555880, 649952, 684160, 812440, 889408, 1056172, 1111760, 1299904, 1320215, 1624880, 1778816, 2112344, 2223520, 2599808, 2640430, 3249760, 4224688, 4447040, 5280860, 6499520, 8449376, 8894080, 10561720, 12999040, 16898752, 21123440, 33797504, 42246880, 84493760, 168987520]

約数ペア:

[(1, 168987520), (2, 84493760), (4, 42246880), (5, 33797504), (8, 21123440), (10, 16898752), (13, 12999040), (16, 10561720), (19, 8894080), (20, 8449376), (26, 6499520), (32, 5280860), (38, 4447040), (40, 4224688), (52, 3249760), (64, 2640430), (65, 2599808), (76, 2223520), (80, 2112344), (95, 1778816), (104, 1624880), (128, 1320215), (130, 1299904), (152, 1111760), (160, 1056172), (190, 889408), (208, 812440), (247, 684160), (260, 649952), (304, 555880), (320, 528086), (380, 444704), (416, 406220), (494, 342080), (520, 324976), (608, 277940), (640, 264043), (760, 222352), (832, 203110), (988, 171040), (1040, 162488), (1069, 158080), (1216, 138970), (1235, 136832), (1520, 111176), (1664, 101555), (1976, 85520), (2080, 81244), (2138, 79040), (2432, 69485), (2470, 68416), (3040, 55588), (3952, 42760), (4160, 40622), (4276, 39520), (4940, 34208), (5345, 31616), (6080, 27794), (7904, 21380), (8320, 20311), (8552, 19760), (9880, 17104), (10690, 15808), (12160, 13897)]