80399200

素因数分解:

$2^5\times 5^2\times 7^3\times {\mathrm{293}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 229672800

約数和(自身を除く): 149273600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 293, 343, 350, 392, 400, 490, 560, 586, 686, 700, 784, 800, 980, 1120, 1172, 1225, 1372, 1400, 1465, 1568, 1715, 1960, 2051, 2344, 2450, 2744, 2800, 2930, 3430, 3920, 4102, 4688, 4900, 5488, 5600, 5860, 6860, 7325, 7840, 8204, 8575, 9376, 9800, 10255, 10976, 11720, 13720, 14357, 14650, 16408, 17150, 19600, 20510, 23440, 27440, 28714, 29300, 32816, 34300, 39200, 41020, 46880, 51275, 54880, 57428, 58600, 65632, 68600, 71785, 82040, 100499, 102550, 114856, 117200, 137200, 143570, 164080, 200998, 205100, 229712, 234400, 274400, 287140, 328160, 358925, 401996, 410200, 459424, 502495, 574280, 717850, 803992, 820400, 1004990, 1148560, 1435700, 1607984, 1640800, 2009980, 2297120, 2512475, 2871400, 3215968, 4019960, 5024950, 5742800, 8039920, 10049900, 11485600, 16079840, 20099800, 40199600, 80399200]

約数ペア:

[(1, 80399200), (2, 40199600), (4, 20099800), (5, 16079840), (7, 11485600), (8, 10049900), (10, 8039920), (14, 5742800), (16, 5024950), (20, 4019960), (25, 3215968), (28, 2871400), (32, 2512475), (35, 2297120), (40, 2009980), (49, 1640800), (50, 1607984), (56, 1435700), (70, 1148560), (80, 1004990), (98, 820400), (100, 803992), (112, 717850), (140, 574280), (160, 502495), (175, 459424), (196, 410200), (200, 401996), (224, 358925), (245, 328160), (280, 287140), (293, 274400), (343, 234400), (350, 229712), (392, 205100), (400, 200998), (490, 164080), (560, 143570), (586, 137200), (686, 117200), (700, 114856), (784, 102550), (800, 100499), (980, 82040), (1120, 71785), (1172, 68600), (1225, 65632), (1372, 58600), (1400, 57428), (1465, 54880), (1568, 51275), (1715, 46880), (1960, 41020), (2051, 39200), (2344, 34300), (2450, 32816), (2744, 29300), (2800, 28714), (2930, 27440), (3430, 23440), (3920, 20510), (4102, 19600), (4688, 17150), (4900, 16408), (5488, 14650), (5600, 14357), (5860, 13720), (6860, 11720), (7325, 10976), (7840, 10255), (8204, 9800), (8575, 9376)]