28147680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1777}}^1$

素因数の和:1809

約数の個数: 144

約数和(自身を含む): 104845104

約数和(自身を除く): 76697424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1777, 1980, 2640, 3168, 3554, 3960, 5280, 5331, 7108, 7920, 8885, 10662, 14216, 15840, 15993, 17770, 19547, 21324, 26655, 28432, 31986, 35540, 39094, 42648, 53310, 56864, 58641, 63972, 71080, 78188, 79965, 85296, 97735, 106620, 117282, 127944, 142160, 156376, 159930, 170592, 175923, 195470, 213240, 234564, 255888, 284320, 293205, 312752, 319860, 351846, 390940, 426480, 469128, 511776, 586410, 625504, 639720, 703692, 781880, 852960, 879615, 938256, 1172820, 1279440, 1407384, 1563760, 1759230, 1876512, 2345640, 2558880, 2814768, 3127520, 3518460, 4691280, 5629536, 7036920, 9382560, 14073840, 28147680]

約数ペア:

[(1, 28147680), (2, 14073840), (3, 9382560), (4, 7036920), (5, 5629536), (6, 4691280), (8, 3518460), (9, 3127520), (10, 2814768), (11, 2558880), (12, 2345640), (15, 1876512), (16, 1759230), (18, 1563760), (20, 1407384), (22, 1279440), (24, 1172820), (30, 938256), (32, 879615), (33, 852960), (36, 781880), (40, 703692), (44, 639720), (45, 625504), (48, 586410), (55, 511776), (60, 469128), (66, 426480), (72, 390940), (80, 351846), (88, 319860), (90, 312752), (96, 293205), (99, 284320), (110, 255888), (120, 234564), (132, 213240), (144, 195470), (160, 175923), (165, 170592), (176, 159930), (180, 156376), (198, 142160), (220, 127944), (240, 117282), (264, 106620), (288, 97735), (330, 85296), (352, 79965), (360, 78188), (396, 71080), (440, 63972), (480, 58641), (495, 56864), (528, 53310), (660, 42648), (720, 39094), (792, 35540), (880, 31986), (990, 28432), (1056, 26655), (1320, 21324), (1440, 19547), (1584, 17770), (1760, 15993), (1777, 15840), (1980, 14216), (2640, 10662), (3168, 8885), (3554, 7920), (3960, 7108), (5280, 5331)]