64637440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3607}}^1$

素因数の和:3637

約数の個数: 80

約数和(自身を含む): 177167232

約数和(自身を除く): 112529792

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, 3607, 4480, 7214, 8960, 14428, 17920, 18035, 25249, 28856, 36070, 50498, 57712, 72140, 100996, 115424, 126245, 144280, 201992, 230848, 252490, 288560, 403984, 461696, 504980, 577120, 807968, 923392, 1009960, 1154240, 1615936, 1846784, 2019920, 2308480, 3231872, 4039840, 4616960, 6463744, 8079680, 9233920, 12927488, 16159360, 32318720, 64637440]

約数ペア:

[(1, 64637440), (2, 32318720), (4, 16159360), (5, 12927488), (7, 9233920), (8, 8079680), (10, 6463744), (14, 4616960), (16, 4039840), (20, 3231872), (28, 2308480), (32, 2019920), (35, 1846784), (40, 1615936), (56, 1154240), (64, 1009960), (70, 923392), (80, 807968), (112, 577120), (128, 504980), (140, 461696), (160, 403984), (224, 288560), (256, 252490), (280, 230848), (320, 201992), (448, 144280), (512, 126245), (560, 115424), (640, 100996), (896, 72140), (1120, 57712), (1280, 50498), (1792, 36070), (2240, 28856), (2560, 25249), (3584, 18035), (3607, 17920), (4480, 14428), (7214, 8960)]