221760

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:41

約数の個数: 168

約数和(自身を含む): 950976

約数和(自身を除く): 729216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 192, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 320, 330, 336, 352, 360, 385, 396, 420, 440, 448, 462, 480, 495, 504, 528, 560, 576, 616, 630, 660, 672, 693, 704, 720, 770, 792, 840, 880, 924, 960, 990, 1008, 1056, 1120, 1155, 1232, 1260, 1320, 1344, 1386, 1440, 1540, 1584, 1680, 1760, 1848, 1980, 2016, 2112, 2240, 2310, 2464, 2520, 2640, 2772, 2880, 3080, 3168, 3360, 3465, 3520, 3696, 3960, 4032, 4620, 4928, 5040, 5280, 5544, 6160, 6336, 6720, 6930, 7392, 7920, 9240, 10080, 10560, 11088, 12320, 13860, 14784, 15840, 18480, 20160, 22176, 24640, 27720, 31680, 36960, 44352, 55440, 73920, 110880, 221760]

約数ペア:

[(1, 221760), (2, 110880), (3, 73920), (4, 55440), (5, 44352), (6, 36960), (7, 31680), (8, 27720), (9, 24640), (10, 22176), (11, 20160), (12, 18480), (14, 15840), (15, 14784), (16, 13860), (18, 12320), (20, 11088), (21, 10560), (22, 10080), (24, 9240), (28, 7920), (30, 7392), (32, 6930), (33, 6720), (35, 6336), (36, 6160), (40, 5544), (42, 5280), (44, 5040), (45, 4928), (48, 4620), (55, 4032), (56, 3960), (60, 3696), (63, 3520), (64, 3465), (66, 3360), (70, 3168), (72, 3080), (77, 2880), (80, 2772), (84, 2640), (88, 2520), (90, 2464), (96, 2310), (99, 2240), (105, 2112), (110, 2016), (112, 1980), (120, 1848), (126, 1760), (132, 1680), (140, 1584), (144, 1540), (154, 1440), (160, 1386), (165, 1344), (168, 1320), (176, 1260), (180, 1232), (192, 1155), (198, 1120), (210, 1056), (220, 1008), (224, 990), (231, 960), (240, 924), (252, 880), (264, 840), (280, 792), (288, 770), (308, 720), (315, 704), (320, 693), (330, 672), (336, 660), (352, 630), (360, 616), (385, 576), (396, 560), (420, 528), (440, 504), (448, 495), (462, 480)]