21488400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 180

約数和(自身を含む): 76756992

約数和(自身を除く): 55268592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 47, 48, 50, 60, 72, 75, 80, 90, 94, 100, 120, 127, 141, 144, 150, 180, 188, 200, 225, 235, 240, 254, 282, 300, 360, 376, 381, 400, 423, 450, 470, 508, 564, 600, 635, 705, 720, 752, 762, 846, 900, 940, 1016, 1128, 1143, 1175, 1200, 1270, 1410, 1524, 1692, 1800, 1880, 1905, 2032, 2115, 2256, 2286, 2350, 2540, 2820, 3048, 3175, 3384, 3525, 3600, 3760, 3810, 4230, 4572, 4700, 5080, 5640, 5715, 5969, 6096, 6350, 6768, 7050, 7620, 8460, 9144, 9400, 9525, 10160, 10575, 11280, 11430, 11938, 12700, 14100, 15240, 16920, 17907, 18288, 18800, 19050, 21150, 22860, 23876, 25400, 28200, 28575, 29845, 30480, 33840, 35814, 38100, 42300, 45720, 47752, 50800, 53721, 56400, 57150, 59690, 71628, 76200, 84600, 89535, 91440, 95504, 107442, 114300, 119380, 143256, 149225, 152400, 169200, 179070, 214884, 228600, 238760, 268605, 286512, 298450, 358140, 429768, 447675, 457200, 477520, 537210, 596900, 716280, 859536, 895350, 1074420, 1193800, 1343025, 1432560, 1790700, 2148840, 2387600, 2686050, 3581400, 4297680, 5372100, 7162800, 10744200, 21488400]

約数ペア:

[(1, 21488400), (2, 10744200), (3, 7162800), (4, 5372100), (5, 4297680), (6, 3581400), (8, 2686050), (9, 2387600), (10, 2148840), (12, 1790700), (15, 1432560), (16, 1343025), (18, 1193800), (20, 1074420), (24, 895350), (25, 859536), (30, 716280), (36, 596900), (40, 537210), (45, 477520), (47, 457200), (48, 447675), (50, 429768), (60, 358140), (72, 298450), (75, 286512), (80, 268605), (90, 238760), (94, 228600), (100, 214884), (120, 179070), (127, 169200), (141, 152400), (144, 149225), (150, 143256), (180, 119380), (188, 114300), (200, 107442), (225, 95504), (235, 91440), (240, 89535), (254, 84600), (282, 76200), (300, 71628), (360, 59690), (376, 57150), (381, 56400), (400, 53721), (423, 50800), (450, 47752), (470, 45720), (508, 42300), (564, 38100), (600, 35814), (635, 33840), (705, 30480), (720, 29845), (752, 28575), (762, 28200), (846, 25400), (900, 23876), (940, 22860), (1016, 21150), (1128, 19050), (1143, 18800), (1175, 18288), (1200, 17907), (1270, 16920), (1410, 15240), (1524, 14100), (1692, 12700), (1800, 11938), (1880, 11430), (1905, 11280), (2032, 10575), (2115, 10160), (2256, 9525), (2286, 9400), (2350, 9144), (2540, 8460), (2820, 7620), (3048, 7050), (3175, 6768), (3384, 6350), (3525, 6096), (3600, 5969), (3760, 5715), (3810, 5640), (4230, 5080), (4572, 4700)]