1917440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{107}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 5303232

約数和(自身を除く): 3385792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 256, 280, 320, 428, 448, 512, 535, 560, 640, 749, 856, 896, 1070, 1120, 1280, 1498, 1712, 1792, 2140, 2240, 2560, 2996, 3424, 3584, 3745, 4280, 4480, 5992, 6848, 7490, 8560, 8960, 11984, 13696, 14980, 17120, 17920, 23968, 27392, 29960, 34240, 47936, 54784, 59920, 68480, 95872, 119840, 136960, 191744, 239680, 273920, 383488, 479360, 958720, 1917440]

約数ペア:

[(1, 1917440), (2, 958720), (4, 479360), (5, 383488), (7, 273920), (8, 239680), (10, 191744), (14, 136960), (16, 119840), (20, 95872), (28, 68480), (32, 59920), (35, 54784), (40, 47936), (56, 34240), (64, 29960), (70, 27392), (80, 23968), (107, 17920), (112, 17120), (128, 14980), (140, 13696), (160, 11984), (214, 8960), (224, 8560), (256, 7490), (280, 6848), (320, 5992), (428, 4480), (448, 4280), (512, 3745), (535, 3584), (560, 3424), (640, 2996), (749, 2560), (856, 2240), (896, 2140), (1070, 1792), (1120, 1712), (1280, 1498)]