1255745920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13721}}^1$

素因数の和:13764

約数の個数: 128

約数和(自身を含む): 3527102880

約数和(自身を除く): 2271356960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1408, 1430, 1664, 1760, 2080, 2288, 2860, 3520, 4160, 4576, 5720, 7040, 8320, 9152, 11440, 13721, 18304, 22880, 27442, 45760, 54884, 68605, 91520, 109768, 137210, 150931, 178373, 219536, 274420, 301862, 356746, 439072, 548840, 603724, 713492, 754655, 878144, 891865, 1097680, 1207448, 1426984, 1509310, 1756288, 1783730, 1962103, 2195360, 2414896, 2853968, 3018620, 3567460, 3924206, 4390720, 4829792, 5707936, 6037240, 7134920, 7848412, 8781440, 9659584, 9810515, 11415872, 12074480, 14269840, 15696824, 19319168, 19621030, 22831744, 24148960, 28539680, 31393648, 39242060, 48297920, 57079360, 62787296, 78484120, 96595840, 114158720, 125574592, 156968240, 251149184, 313936480, 627872960, 1255745920]

約数ペア:

[(1, 1255745920), (2, 627872960), (4, 313936480), (5, 251149184), (8, 156968240), (10, 125574592), (11, 114158720), (13, 96595840), (16, 78484120), (20, 62787296), (22, 57079360), (26, 48297920), (32, 39242060), (40, 31393648), (44, 28539680), (52, 24148960), (55, 22831744), (64, 19621030), (65, 19319168), (80, 15696824), (88, 14269840), (104, 12074480), (110, 11415872), (128, 9810515), (130, 9659584), (143, 8781440), (160, 7848412), (176, 7134920), (208, 6037240), (220, 5707936), (260, 4829792), (286, 4390720), (320, 3924206), (352, 3567460), (416, 3018620), (440, 2853968), (520, 2414896), (572, 2195360), (640, 1962103), (704, 1783730), (715, 1756288), (832, 1509310), (880, 1426984), (1040, 1207448), (1144, 1097680), (1408, 891865), (1430, 878144), (1664, 754655), (1760, 713492), (2080, 603724), (2288, 548840), (2860, 439072), (3520, 356746), (4160, 301862), (4576, 274420), (5720, 219536), (7040, 178373), (8320, 150931), (9152, 137210), (11440, 109768), (13721, 91520), (18304, 68605), (22880, 54884), (27442, 45760)]