427517440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23857}}^1$

素因数の和:23887

約数の個数: 80

約数和(自身を含む): 1171523232

約数和(自身を除く): 744005792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 23857, 47714, 95428, 119285, 166999, 190856, 238570, 333998, 381712, 477140, 667996, 763424, 834995, 954280, 1335992, 1526848, 1669990, 1908560, 2671984, 3053696, 3339980, 3817120, 5343968, 6107392, 6679960, 7634240, 10687936, 12214784, 13359920, 15268480, 21375872, 26719840, 30536960, 42751744, 53439680, 61073920, 85503488, 106879360, 213758720, 427517440]

約数ペア:

[(1, 427517440), (2, 213758720), (4, 106879360), (5, 85503488), (7, 61073920), (8, 53439680), (10, 42751744), (14, 30536960), (16, 26719840), (20, 21375872), (28, 15268480), (32, 13359920), (35, 12214784), (40, 10687936), (56, 7634240), (64, 6679960), (70, 6107392), (80, 5343968), (112, 3817120), (128, 3339980), (140, 3053696), (160, 2671984), (224, 1908560), (256, 1669990), (280, 1526848), (320, 1335992), (448, 954280), (512, 834995), (560, 763424), (640, 667996), (896, 477140), (1120, 381712), (1280, 333998), (1792, 238570), (2240, 190856), (2560, 166999), (3584, 119285), (4480, 95428), (8960, 47714), (17920, 23857)]