18800320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 168

約数和(自身を含む): 57332880

約数和(自身を除く): 38532560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 109, 110, 112, 140, 154, 160, 176, 196, 218, 220, 224, 245, 280, 308, 320, 352, 385, 392, 436, 440, 448, 490, 539, 545, 560, 616, 704, 763, 770, 784, 872, 880, 980, 1078, 1090, 1120, 1199, 1232, 1526, 1540, 1568, 1744, 1760, 1960, 2156, 2180, 2240, 2398, 2464, 2695, 3052, 3080, 3136, 3488, 3520, 3815, 3920, 4312, 4360, 4796, 4928, 5341, 5390, 5995, 6104, 6160, 6976, 7630, 7840, 8393, 8624, 8720, 9592, 10682, 10780, 11990, 12208, 12320, 15260, 15680, 16786, 17248, 17440, 19184, 21364, 21560, 23980, 24416, 24640, 26705, 30520, 33572, 34496, 34880, 38368, 41965, 42728, 43120, 47960, 48832, 53410, 58751, 61040, 67144, 76736, 83930, 85456, 86240, 95920, 106820, 117502, 122080, 134288, 167860, 170912, 172480, 191840, 213640, 235004, 244160, 268576, 293755, 335720, 341824, 383680, 427280, 470008, 537152, 587510, 671440, 854560, 940016, 1175020, 1342880, 1709120, 1880032, 2350040, 2685760, 3760064, 4700080, 9400160, 18800320]

約数ペア:

[(1, 18800320), (2, 9400160), (4, 4700080), (5, 3760064), (7, 2685760), (8, 2350040), (10, 1880032), (11, 1709120), (14, 1342880), (16, 1175020), (20, 940016), (22, 854560), (28, 671440), (32, 587510), (35, 537152), (40, 470008), (44, 427280), (49, 383680), (55, 341824), (56, 335720), (64, 293755), (70, 268576), (77, 244160), (80, 235004), (88, 213640), (98, 191840), (109, 172480), (110, 170912), (112, 167860), (140, 134288), (154, 122080), (160, 117502), (176, 106820), (196, 95920), (218, 86240), (220, 85456), (224, 83930), (245, 76736), (280, 67144), (308, 61040), (320, 58751), (352, 53410), (385, 48832), (392, 47960), (436, 43120), (440, 42728), (448, 41965), (490, 38368), (539, 34880), (545, 34496), (560, 33572), (616, 30520), (704, 26705), (763, 24640), (770, 24416), (784, 23980), (872, 21560), (880, 21364), (980, 19184), (1078, 17440), (1090, 17248), (1120, 16786), (1199, 15680), (1232, 15260), (1526, 12320), (1540, 12208), (1568, 11990), (1744, 10780), (1760, 10682), (1960, 9592), (2156, 8720), (2180, 8624), (2240, 8393), (2398, 7840), (2464, 7630), (2695, 6976), (3052, 6160), (3080, 6104), (3136, 5995), (3488, 5390), (3520, 5341), (3815, 4928), (3920, 4796), (4312, 4360)]