68451040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8731}}^1$

素因数の和:8760

約数の個数: 72

約数和(自身を含む): 188139672

約数和(自身を除く): 119688632

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, 8731, 17462, 34924, 43655, 61117, 69848, 87310, 122234, 139696, 174620, 244468, 279392, 305585, 349240, 427819, 488936, 611170, 698480, 855638, 977872, 1222340, 1396960, 1711276, 1955744, 2139095, 2444680, 3422552, 4278190, 4889360, 6845104, 8556380, 9778720, 13690208, 17112760, 34225520, 68451040]

約数ペア:

[(1, 68451040), (2, 34225520), (4, 17112760), (5, 13690208), (7, 9778720), (8, 8556380), (10, 6845104), (14, 4889360), (16, 4278190), (20, 3422552), (28, 2444680), (32, 2139095), (35, 1955744), (40, 1711276), (49, 1396960), (56, 1222340), (70, 977872), (80, 855638), (98, 698480), (112, 611170), (140, 488936), (160, 427819), (196, 349240), (224, 305585), (245, 279392), (280, 244468), (392, 174620), (490, 139696), (560, 122234), (784, 87310), (980, 69848), (1120, 61117), (1568, 43655), (1960, 34924), (3920, 17462), (7840, 8731)]