64680440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 169905600

約数和(自身を除く): 105225160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 137, 145, 148, 185, 220, 232, 274, 290, 296, 319, 370, 407, 440, 548, 580, 638, 685, 740, 814, 1073, 1096, 1160, 1276, 1370, 1480, 1507, 1595, 1628, 2035, 2146, 2552, 2740, 3014, 3190, 3256, 3973, 4070, 4292, 5069, 5365, 5480, 6028, 6380, 7535, 7946, 8140, 8584, 10138, 10730, 11803, 12056, 12760, 15070, 15892, 16280, 19865, 20276, 21460, 23606, 25345, 30140, 31784, 39730, 40552, 42920, 43703, 47212, 50690, 55759, 59015, 60280, 79460, 87406, 94424, 101380, 111518, 118030, 147001, 158920, 174812, 202760, 218515, 223036, 236060, 278795, 294002, 349624, 437030, 446072, 472120, 557590, 588004, 735005, 874060, 1115180, 1176008, 1470010, 1617011, 1748120, 2230360, 2940020, 3234022, 5880040, 6468044, 8085055, 12936088, 16170110, 32340220, 64680440]

約数ペア:

[(1, 64680440), (2, 32340220), (4, 16170110), (5, 12936088), (8, 8085055), (10, 6468044), (11, 5880040), (20, 3234022), (22, 2940020), (29, 2230360), (37, 1748120), (40, 1617011), (44, 1470010), (55, 1176008), (58, 1115180), (74, 874060), (88, 735005), (110, 588004), (116, 557590), (137, 472120), (145, 446072), (148, 437030), (185, 349624), (220, 294002), (232, 278795), (274, 236060), (290, 223036), (296, 218515), (319, 202760), (370, 174812), (407, 158920), (440, 147001), (548, 118030), (580, 111518), (638, 101380), (685, 94424), (740, 87406), (814, 79460), (1073, 60280), (1096, 59015), (1160, 55759), (1276, 50690), (1370, 47212), (1480, 43703), (1507, 42920), (1595, 40552), (1628, 39730), (2035, 31784), (2146, 30140), (2552, 25345), (2740, 23606), (3014, 21460), (3190, 20276), (3256, 19865), (3973, 16280), (4070, 15892), (4292, 15070), (5069, 12760), (5365, 12056), (5480, 11803), (6028, 10730), (6380, 10138), (7535, 8584), (7946, 8140)]