80731504

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 191505600

約数和(自身を除く): 110774096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 109, 112, 119, 136, 218, 238, 272, 389, 436, 476, 763, 778, 872, 952, 1526, 1556, 1744, 1853, 1904, 2723, 3052, 3112, 3706, 5446, 6104, 6224, 6613, 7412, 10892, 12208, 12971, 13226, 14824, 21784, 25942, 26452, 29648, 42401, 43568, 46291, 51884, 52904, 84802, 92582, 103768, 105808, 169604, 185164, 207536, 296807, 339208, 370328, 593614, 678416, 720817, 740656, 1187228, 1441634, 2374456, 2883268, 4748912, 5045719, 5766536, 10091438, 11533072, 20182876, 40365752, 80731504]

約数ペア:

[(1, 80731504), (2, 40365752), (4, 20182876), (7, 11533072), (8, 10091438), (14, 5766536), (16, 5045719), (17, 4748912), (28, 2883268), (34, 2374456), (56, 1441634), (68, 1187228), (109, 740656), (112, 720817), (119, 678416), (136, 593614), (218, 370328), (238, 339208), (272, 296807), (389, 207536), (436, 185164), (476, 169604), (763, 105808), (778, 103768), (872, 92582), (952, 84802), (1526, 52904), (1556, 51884), (1744, 46291), (1853, 43568), (1904, 42401), (2723, 29648), (3052, 26452), (3112, 25942), (3706, 21784), (5446, 14824), (6104, 13226), (6224, 12971), (6613, 12208), (7412, 10892)]