81555840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{14159}}^1$

素因数の和:14184

約数の個数: 96

約数和(自身を含む): 281642400

約数和(自身を除く): 200086560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 14159, 28318, 42477, 56636, 70795, 84954, 113272, 127431, 141590, 169908, 212385, 226544, 254862, 283180, 339816, 424770, 453088, 509724, 566360, 637155, 679632, 849540, 906176, 1019448, 1132720, 1274310, 1359264, 1699080, 1812352, 2038896, 2265440, 2548620, 2718528, 3398160, 4077792, 4530880, 5097240, 5437056, 6796320, 8155584, 9061760, 10194480, 13592640, 16311168, 20388960, 27185280, 40777920, 81555840]

約数ペア:

[(1, 81555840), (2, 40777920), (3, 27185280), (4, 20388960), (5, 16311168), (6, 13592640), (8, 10194480), (9, 9061760), (10, 8155584), (12, 6796320), (15, 5437056), (16, 5097240), (18, 4530880), (20, 4077792), (24, 3398160), (30, 2718528), (32, 2548620), (36, 2265440), (40, 2038896), (45, 1812352), (48, 1699080), (60, 1359264), (64, 1274310), (72, 1132720), (80, 1019448), (90, 906176), (96, 849540), (120, 679632), (128, 637155), (144, 566360), (160, 509724), (180, 453088), (192, 424770), (240, 339816), (288, 283180), (320, 254862), (360, 226544), (384, 212385), (480, 169908), (576, 141590), (640, 127431), (720, 113272), (960, 84954), (1152, 70795), (1440, 56636), (1920, 42477), (2880, 28318), (5760, 14159)]