72690176

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 159718944

約数和(自身を除く): 87028768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 163, 208, 256, 268, 326, 416, 512, 536, 652, 832, 871, 1072, 1304, 1664, 1742, 2119, 2144, 2608, 3328, 3484, 4238, 4288, 5216, 6656, 6968, 8476, 8576, 10432, 10921, 13936, 16952, 17152, 20864, 21842, 27872, 33904, 34304, 41728, 43684, 55744, 67808, 83456, 87368, 111488, 135616, 141973, 174736, 222976, 271232, 283946, 349472, 445952, 542464, 567892, 698944, 1084928, 1135784, 1397888, 2271568, 2795776, 4543136, 5591552, 9086272, 18172544, 36345088, 72690176]

約数ペア:

[(1, 72690176), (2, 36345088), (4, 18172544), (8, 9086272), (13, 5591552), (16, 4543136), (26, 2795776), (32, 2271568), (52, 1397888), (64, 1135784), (67, 1084928), (104, 698944), (128, 567892), (134, 542464), (163, 445952), (208, 349472), (256, 283946), (268, 271232), (326, 222976), (416, 174736), (512, 141973), (536, 135616), (652, 111488), (832, 87368), (871, 83456), (1072, 67808), (1304, 55744), (1664, 43684), (1742, 41728), (2119, 34304), (2144, 33904), (2608, 27872), (3328, 21842), (3484, 20864), (4238, 17152), (4288, 16952), (5216, 13936), (6656, 10921), (6968, 10432), (8476, 8576)]