55440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1$

素因数の和:37

約数の個数: 120

約数和(自身を含む): 232128

約数和(自身を除く): 176688

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, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 9240, 11088, 13860, 18480, 27720, 55440]

約数ペア:

[(1, 55440), (2, 27720), (3, 18480), (4, 13860), (5, 11088), (6, 9240), (7, 7920), (8, 6930), (9, 6160), (10, 5544), (11, 5040), (12, 4620), (14, 3960), (15, 3696), (16, 3465), (18, 3080), (20, 2772), (21, 2640), (22, 2520), (24, 2310), (28, 1980), (30, 1848), (33, 1680), (35, 1584), (36, 1540), (40, 1386), (42, 1320), (44, 1260), (45, 1232), (48, 1155), (55, 1008), (56, 990), (60, 924), (63, 880), (66, 840), (70, 792), (72, 770), (77, 720), (80, 693), (84, 660), (88, 630), (90, 616), (99, 560), (105, 528), (110, 504), (112, 495), (120, 462), (126, 440), (132, 420), (140, 396), (144, 385), (154, 360), (165, 336), (168, 330), (176, 315), (180, 308), (198, 280), (210, 264), (220, 252), (231, 240)]