81110512

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:135

約数の個数: 90

約数和(自身を含む): 192961608

約数和(自身を除く): 111851096

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 56, 74, 92, 112, 148, 161, 184, 259, 296, 322, 368, 518, 529, 592, 644, 851, 1036, 1058, 1288, 1369, 1702, 2072, 2116, 2576, 2738, 3404, 3703, 4144, 4232, 5476, 5957, 6808, 7406, 8464, 9583, 10952, 11914, 13616, 14812, 19166, 19573, 21904, 23828, 29624, 31487, 38332, 39146, 47656, 59248, 62974, 76664, 78292, 95312, 125948, 137011, 153328, 156584, 220409, 251896, 274022, 313168, 440818, 503792, 548044, 724201, 881636, 1096088, 1448402, 1763272, 2192176, 2896804, 3526544, 5069407, 5793608, 10138814, 11587216, 20277628, 40555256, 81110512]

約数ペア:

[(1, 81110512), (2, 40555256), (4, 20277628), (7, 11587216), (8, 10138814), (14, 5793608), (16, 5069407), (23, 3526544), (28, 2896804), (37, 2192176), (46, 1763272), (56, 1448402), (74, 1096088), (92, 881636), (112, 724201), (148, 548044), (161, 503792), (184, 440818), (259, 313168), (296, 274022), (322, 251896), (368, 220409), (518, 156584), (529, 153328), (592, 137011), (644, 125948), (851, 95312), (1036, 78292), (1058, 76664), (1288, 62974), (1369, 59248), (1702, 47656), (2072, 39146), (2116, 38332), (2576, 31487), (2738, 29624), (3404, 23828), (3703, 21904), (4144, 19573), (4232, 19166), (5476, 14812), (5957, 13616), (6808, 11914), (7406, 10952), (8464, 9583)]