221336640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{10979}}^1$

素因数の和:11009

約数の個数: 168

約数和(自身を含む): 870143040

約数和(自身を除く): 648806400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 10979, 20160, 21958, 32937, 43916, 54895, 65874, 76853, 87832, 98811, 109790, 131748, 153706, 164685, 175664, 197622, 219580, 230559, 263496, 307412, 329370, 351328, 384265, 395244, 439160, 461118, 494055, 526992, 614824, 658740, 691677, 702656, 768530, 790488, 878320, 922236, 988110, 1053984, 1152795, 1229648, 1317480, 1383354, 1537060, 1580976, 1756640, 1844472, 1976220, 2107968, 2305590, 2459296, 2634960, 2766708, 3074120, 3161952, 3458385, 3513280, 3688944, 3952440, 4611180, 4918592, 5269920, 5533416, 6148240, 6323904, 6916770, 7377888, 7904880, 9222360, 10539840, 11066832, 12296480, 13833540, 14755776, 15809760, 18444720, 22133664, 24592960, 27667080, 31619520, 36889440, 44267328, 55334160, 73778880, 110668320, 221336640]

約数ペア:

[(1, 221336640), (2, 110668320), (3, 73778880), (4, 55334160), (5, 44267328), (6, 36889440), (7, 31619520), (8, 27667080), (9, 24592960), (10, 22133664), (12, 18444720), (14, 15809760), (15, 14755776), (16, 13833540), (18, 12296480), (20, 11066832), (21, 10539840), (24, 9222360), (28, 7904880), (30, 7377888), (32, 6916770), (35, 6323904), (36, 6148240), (40, 5533416), (42, 5269920), (45, 4918592), (48, 4611180), (56, 3952440), (60, 3688944), (63, 3513280), (64, 3458385), (70, 3161952), (72, 3074120), (80, 2766708), (84, 2634960), (90, 2459296), (96, 2305590), (105, 2107968), (112, 1976220), (120, 1844472), (126, 1756640), (140, 1580976), (144, 1537060), (160, 1383354), (168, 1317480), (180, 1229648), (192, 1152795), (210, 1053984), (224, 988110), (240, 922236), (252, 878320), (280, 790488), (288, 768530), (315, 702656), (320, 691677), (336, 658740), (360, 614824), (420, 526992), (448, 494055), (480, 461118), (504, 439160), (560, 395244), (576, 384265), (630, 351328), (672, 329370), (720, 307412), (840, 263496), (960, 230559), (1008, 219580), (1120, 197622), (1260, 175664), (1344, 164685), (1440, 153706), (1680, 131748), (2016, 109790), (2240, 98811), (2520, 87832), (2880, 76853), (3360, 65874), (4032, 54895), (5040, 43916), (6720, 32937), (10080, 21958), (10979, 20160)]