80981572

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 177544640

約数和(自身を除く): 96563068

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 181, 203, 266, 362, 406, 532, 551, 724, 812, 841, 1102, 1267, 1682, 2204, 2534, 3364, 3439, 3857, 5068, 5249, 5887, 6878, 7714, 10498, 11774, 13756, 15428, 15979, 20996, 23548, 24073, 31958, 36743, 48146, 63916, 73486, 96292, 99731, 111853, 146972, 152221, 199462, 223706, 304442, 398924, 447412, 608884, 698117, 1065547, 1396234, 2131094, 2792468, 2892199, 4262188, 5784398, 11568796, 20245393, 40490786, 80981572]

約数ペア:

[(1, 80981572), (2, 40490786), (4, 20245393), (7, 11568796), (14, 5784398), (19, 4262188), (28, 2892199), (29, 2792468), (38, 2131094), (58, 1396234), (76, 1065547), (116, 698117), (133, 608884), (181, 447412), (203, 398924), (266, 304442), (362, 223706), (406, 199462), (532, 152221), (551, 146972), (724, 111853), (812, 99731), (841, 96292), (1102, 73486), (1267, 63916), (1682, 48146), (2204, 36743), (2534, 31958), (3364, 24073), (3439, 23548), (3857, 20996), (5068, 15979), (5249, 15428), (5887, 13756), (6878, 11774), (7714, 10498)]