720885074

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 1396362240

約数和(自身を除く): 675477166

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 73, 91, 146, 182, 203, 377, 406, 511, 754, 949, 1022, 1871, 1898, 2117, 2639, 3742, 4234, 5278, 6643, 13097, 13286, 14819, 24323, 26194, 27521, 29638, 48646, 54259, 55042, 108518, 136583, 170261, 192647, 273166, 340522, 379813, 385294, 705367, 759626, 956081, 1410734, 1775579, 1912162, 3551158, 3960907, 4937569, 7921814, 9875138, 12429053, 24858106, 27726349, 51491791, 55452698, 102983582, 360442537, 720885074]

約数ペア:

[(1, 720885074), (2, 360442537), (7, 102983582), (13, 55452698), (14, 51491791), (26, 27726349), (29, 24858106), (58, 12429053), (73, 9875138), (91, 7921814), (146, 4937569), (182, 3960907), (203, 3551158), (377, 1912162), (406, 1775579), (511, 1410734), (754, 956081), (949, 759626), (1022, 705367), (1871, 385294), (1898, 379813), (2117, 340522), (2639, 273166), (3742, 192647), (4234, 170261), (5278, 136583), (6643, 108518), (13097, 55042), (13286, 54259), (14819, 48646), (24323, 29638), (26194, 27521)]