164057920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 425653200

約数和(自身を除く): 261595280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 113, 130, 160, 208, 226, 260, 320, 349, 416, 452, 520, 565, 698, 832, 904, 1040, 1130, 1396, 1469, 1745, 1808, 2080, 2260, 2792, 2938, 3490, 3616, 4160, 4520, 4537, 5584, 5876, 6980, 7232, 7345, 9040, 9074, 11168, 11752, 13960, 14690, 18080, 18148, 22336, 22685, 23504, 27920, 29380, 36160, 36296, 39437, 45370, 47008, 55840, 58760, 72592, 78874, 90740, 94016, 111680, 117520, 145184, 157748, 181480, 197185, 235040, 290368, 315496, 362960, 394370, 470080, 512681, 630992, 725920, 788740, 1025362, 1261984, 1451840, 1577480, 2050724, 2523968, 2563405, 3154960, 4101448, 5126810, 6309920, 8202896, 10253620, 12619840, 16405792, 20507240, 32811584, 41014480, 82028960, 164057920]

約数ペア:

[(1, 164057920), (2, 82028960), (4, 41014480), (5, 32811584), (8, 20507240), (10, 16405792), (13, 12619840), (16, 10253620), (20, 8202896), (26, 6309920), (32, 5126810), (40, 4101448), (52, 3154960), (64, 2563405), (65, 2523968), (80, 2050724), (104, 1577480), (113, 1451840), (130, 1261984), (160, 1025362), (208, 788740), (226, 725920), (260, 630992), (320, 512681), (349, 470080), (416, 394370), (452, 362960), (520, 315496), (565, 290368), (698, 235040), (832, 197185), (904, 181480), (1040, 157748), (1130, 145184), (1396, 117520), (1469, 111680), (1745, 94016), (1808, 90740), (2080, 78874), (2260, 72592), (2792, 58760), (2938, 55840), (3490, 47008), (3616, 45370), (4160, 39437), (4520, 36296), (4537, 36160), (5584, 29380), (5876, 27920), (6980, 23504), (7232, 22685), (7345, 22336), (9040, 18148), (9074, 18080), (11168, 14690), (11752, 13960)]