81467520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 262327680

約数和(自身を除く): 180860160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 151, 160, 192, 240, 281, 302, 320, 384, 453, 480, 562, 604, 640, 755, 843, 906, 960, 1124, 1208, 1405, 1510, 1686, 1812, 1920, 2248, 2265, 2416, 2810, 3020, 3372, 3624, 4215, 4496, 4530, 4832, 5620, 6040, 6744, 7248, 8430, 8992, 9060, 9664, 11240, 12080, 13488, 14496, 16860, 17984, 18120, 19328, 22480, 24160, 26976, 28992, 33720, 35968, 36240, 42431, 44960, 48320, 53952, 57984, 67440, 72480, 84862, 89920, 96640, 107904, 127293, 134880, 144960, 169724, 179840, 212155, 254586, 269760, 289920, 339448, 424310, 509172, 539520, 636465, 678896, 848620, 1018344, 1272930, 1357792, 1697240, 2036688, 2545860, 2715584, 3394480, 4073376, 5091720, 5431168, 6788960, 8146752, 10183440, 13577920, 16293504, 20366880, 27155840, 40733760, 81467520]

約数ペア:

[(1, 81467520), (2, 40733760), (3, 27155840), (4, 20366880), (5, 16293504), (6, 13577920), (8, 10183440), (10, 8146752), (12, 6788960), (15, 5431168), (16, 5091720), (20, 4073376), (24, 3394480), (30, 2715584), (32, 2545860), (40, 2036688), (48, 1697240), (60, 1357792), (64, 1272930), (80, 1018344), (96, 848620), (120, 678896), (128, 636465), (151, 539520), (160, 509172), (192, 424310), (240, 339448), (281, 289920), (302, 269760), (320, 254586), (384, 212155), (453, 179840), (480, 169724), (562, 144960), (604, 134880), (640, 127293), (755, 107904), (843, 96640), (906, 89920), (960, 84862), (1124, 72480), (1208, 67440), (1405, 57984), (1510, 53952), (1686, 48320), (1812, 44960), (1920, 42431), (2248, 36240), (2265, 35968), (2416, 33720), (2810, 28992), (3020, 26976), (3372, 24160), (3624, 22480), (4215, 19328), (4496, 18120), (4530, 17984), (4832, 16860), (5620, 14496), (6040, 13488), (6744, 12080), (7248, 11240), (8430, 9664), (8992, 9060)]