64436960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8219}}^1$

素因数の和:8248

約数の個数: 72

約数和(自身を含む): 177108120

約数和(自身を除く): 112671160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8219, 16438, 32876, 41095, 57533, 65752, 82190, 115066, 131504, 164380, 230132, 263008, 287665, 328760, 402731, 460264, 575330, 657520, 805462, 920528, 1150660, 1315040, 1610924, 1841056, 2013655, 2301320, 3221848, 4027310, 4602640, 6443696, 8054620, 9205280, 12887392, 16109240, 32218480, 64436960]

約数ペア:

[(1, 64436960), (2, 32218480), (4, 16109240), (5, 12887392), (7, 9205280), (8, 8054620), (10, 6443696), (14, 4602640), (16, 4027310), (20, 3221848), (28, 2301320), (32, 2013655), (35, 1841056), (40, 1610924), (49, 1315040), (56, 1150660), (70, 920528), (80, 805462), (98, 657520), (112, 575330), (140, 460264), (160, 402731), (196, 328760), (224, 287665), (245, 263008), (280, 230132), (392, 164380), (490, 131504), (560, 115066), (784, 82190), (980, 65752), (1120, 57533), (1568, 41095), (1960, 32876), (3920, 16438), (7840, 8219)]