56481120

素因数分解:

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

素因数の和:725

約数の個数: 144

約数和(自身を含む): 196206192

約数和(自身を除く): 139725072

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, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 643, 720, 732, 915, 976, 1098, 1220, 1286, 1440, 1464, 1830, 1929, 1952, 2196, 2440, 2572, 2745, 2928, 3215, 3660, 3858, 4392, 4880, 5144, 5490, 5787, 5856, 6430, 7320, 7716, 8784, 9645, 9760, 10288, 10980, 11574, 12860, 14640, 15432, 17568, 19290, 20576, 21960, 23148, 25720, 28935, 29280, 30864, 38580, 39223, 43920, 46296, 51440, 57870, 61728, 77160, 78446, 87840, 92592, 102880, 115740, 117669, 154320, 156892, 185184, 196115, 231480, 235338, 308640, 313784, 353007, 392230, 462960, 470676, 588345, 627568, 706014, 784460, 925920, 941352, 1176690, 1255136, 1412028, 1568920, 1765035, 1882704, 2353380, 2824056, 3137840, 3530070, 3765408, 4706760, 5648112, 6275680, 7060140, 9413520, 11296224, 14120280, 18827040, 28240560, 56481120]

約数ペア:

[(1, 56481120), (2, 28240560), (3, 18827040), (4, 14120280), (5, 11296224), (6, 9413520), (8, 7060140), (9, 6275680), (10, 5648112), (12, 4706760), (15, 3765408), (16, 3530070), (18, 3137840), (20, 2824056), (24, 2353380), (30, 1882704), (32, 1765035), (36, 1568920), (40, 1412028), (45, 1255136), (48, 1176690), (60, 941352), (61, 925920), (72, 784460), (80, 706014), (90, 627568), (96, 588345), (120, 470676), (122, 462960), (144, 392230), (160, 353007), (180, 313784), (183, 308640), (240, 235338), (244, 231480), (288, 196115), (305, 185184), (360, 156892), (366, 154320), (480, 117669), (488, 115740), (549, 102880), (610, 92592), (643, 87840), (720, 78446), (732, 77160), (915, 61728), (976, 57870), (1098, 51440), (1220, 46296), (1286, 43920), (1440, 39223), (1464, 38580), (1830, 30864), (1929, 29280), (1952, 28935), (2196, 25720), (2440, 23148), (2572, 21960), (2745, 20576), (2928, 19290), (3215, 17568), (3660, 15432), (3858, 14640), (4392, 12860), (4880, 11574), (5144, 10980), (5490, 10288), (5787, 9760), (5856, 9645), (6430, 8784), (7320, 7716)]