31475840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 87246720

約数和(自身を除く): 55770880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 263, 272, 320, 340, 352, 374, 440, 526, 544, 640, 680, 704, 748, 880, 935, 1052, 1088, 1315, 1360, 1408, 1496, 1760, 1870, 2104, 2176, 2630, 2720, 2893, 2992, 3520, 3740, 4208, 4471, 5260, 5440, 5786, 5984, 7040, 7480, 8416, 8942, 10520, 10880, 11572, 11968, 14465, 14960, 16832, 17884, 21040, 22355, 23144, 23936, 28930, 29920, 33664, 35768, 42080, 44710, 46288, 49181, 57860, 59840, 71536, 84160, 89420, 92576, 98362, 115720, 119680, 143072, 168320, 178840, 185152, 196724, 231440, 245905, 286144, 357680, 370304, 393448, 462880, 491810, 572288, 715360, 786896, 925760, 983620, 1430720, 1573792, 1851520, 1967240, 2861440, 3147584, 3934480, 6295168, 7868960, 15737920, 31475840]

約数ペア:

[(1, 31475840), (2, 15737920), (4, 7868960), (5, 6295168), (8, 3934480), (10, 3147584), (11, 2861440), (16, 1967240), (17, 1851520), (20, 1573792), (22, 1430720), (32, 983620), (34, 925760), (40, 786896), (44, 715360), (55, 572288), (64, 491810), (68, 462880), (80, 393448), (85, 370304), (88, 357680), (110, 286144), (128, 245905), (136, 231440), (160, 196724), (170, 185152), (176, 178840), (187, 168320), (220, 143072), (263, 119680), (272, 115720), (320, 98362), (340, 92576), (352, 89420), (374, 84160), (440, 71536), (526, 59840), (544, 57860), (640, 49181), (680, 46288), (704, 44710), (748, 42080), (880, 35768), (935, 33664), (1052, 29920), (1088, 28930), (1315, 23936), (1360, 23144), (1408, 22355), (1496, 21040), (1760, 17884), (1870, 16832), (2104, 14960), (2176, 14465), (2630, 11968), (2720, 11572), (2893, 10880), (2992, 10520), (3520, 8942), (3740, 8416), (4208, 7480), (4471, 7040), (5260, 5984), (5440, 5786)]