71680056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 206426880

約数和(自身を除く): 134746824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 1048, 1572, 1834, 2751, 3144, 3257, 3668, 5502, 6514, 7336, 9771, 11004, 13028, 19542, 22008, 22799, 26056, 39084, 45598, 68397, 78168, 91196, 136794, 182392, 273588, 426667, 547176, 853334, 1280001, 1706668, 2560002, 2986669, 3413336, 5120004, 5973338, 8960007, 10240008, 11946676, 17920014, 23893352, 35840028, 71680056]

約数ペア:

[(1, 71680056), (2, 35840028), (3, 23893352), (4, 17920014), (6, 11946676), (7, 10240008), (8, 8960007), (12, 5973338), (14, 5120004), (21, 3413336), (24, 2986669), (28, 2560002), (42, 1706668), (56, 1280001), (84, 853334), (131, 547176), (168, 426667), (262, 273588), (393, 182392), (524, 136794), (786, 91196), (917, 78168), (1048, 68397), (1572, 45598), (1834, 39084), (2751, 26056), (3144, 22799), (3257, 22008), (3668, 19542), (5502, 13028), (6514, 11004), (7336, 9771)]