84721680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 160

約数和(自身を含む): 297064320

約数和(自身を除く): 212342640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 216, 240, 244, 270, 305, 360, 366, 432, 488, 540, 549, 610, 643, 720, 732, 915, 976, 1080, 1098, 1220, 1286, 1464, 1647, 1830, 1929, 2160, 2196, 2440, 2572, 2745, 2928, 3215, 3294, 3660, 3858, 4392, 4880, 5144, 5490, 5787, 6430, 6588, 7320, 7716, 8235, 8784, 9645, 10288, 10980, 11574, 12860, 13176, 14640, 15432, 16470, 17361, 19290, 21960, 23148, 25720, 26352, 28935, 30864, 32940, 34722, 38580, 39223, 43920, 46296, 51440, 57870, 65880, 69444, 77160, 78446, 86805, 92592, 115740, 117669, 131760, 138888, 154320, 156892, 173610, 196115, 231480, 235338, 277776, 313784, 347220, 353007, 392230, 462960, 470676, 588345, 627568, 694440, 706014, 784460, 941352, 1059021, 1176690, 1388880, 1412028, 1568920, 1765035, 1882704, 2118042, 2353380, 2824056, 3137840, 3530070, 4236084, 4706760, 5295105, 5648112, 7060140, 8472168, 9413520, 10590210, 14120280, 16944336, 21180420, 28240560, 42360840, 84721680]

約数ペア:

[(1, 84721680), (2, 42360840), (3, 28240560), (4, 21180420), (5, 16944336), (6, 14120280), (8, 10590210), (9, 9413520), (10, 8472168), (12, 7060140), (15, 5648112), (16, 5295105), (18, 4706760), (20, 4236084), (24, 3530070), (27, 3137840), (30, 2824056), (36, 2353380), (40, 2118042), (45, 1882704), (48, 1765035), (54, 1568920), (60, 1412028), (61, 1388880), (72, 1176690), (80, 1059021), (90, 941352), (108, 784460), (120, 706014), (122, 694440), (135, 627568), (144, 588345), (180, 470676), (183, 462960), (216, 392230), (240, 353007), (244, 347220), (270, 313784), (305, 277776), (360, 235338), (366, 231480), (432, 196115), (488, 173610), (540, 156892), (549, 154320), (610, 138888), (643, 131760), (720, 117669), (732, 115740), (915, 92592), (976, 86805), (1080, 78446), (1098, 77160), (1220, 69444), (1286, 65880), (1464, 57870), (1647, 51440), (1830, 46296), (1929, 43920), (2160, 39223), (2196, 38580), (2440, 34722), (2572, 32940), (2745, 30864), (2928, 28935), (3215, 26352), (3294, 25720), (3660, 23148), (3858, 21960), (4392, 19290), (4880, 17361), (5144, 16470), (5490, 15432), (5787, 14640), (6430, 13176), (6588, 12860), (7320, 11574), (7716, 10980), (8235, 10288), (8784, 9645)]