80490984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 246896640

約数和(自身を除く): 166405656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 37, 42, 46, 56, 69, 74, 84, 92, 111, 138, 148, 161, 168, 184, 222, 259, 276, 296, 322, 444, 483, 518, 552, 563, 644, 777, 851, 888, 966, 1036, 1126, 1288, 1554, 1689, 1702, 1932, 2072, 2252, 2553, 3108, 3378, 3404, 3864, 3941, 4504, 5106, 5957, 6216, 6756, 6808, 7882, 10212, 11823, 11914, 12949, 13512, 15764, 17871, 20424, 20831, 23646, 23828, 25898, 31528, 35742, 38847, 41662, 47292, 47656, 51796, 62493, 71484, 77694, 83324, 90643, 94584, 103592, 124986, 142968, 145817, 155388, 166648, 181286, 249972, 271929, 291634, 310776, 362572, 437451, 479113, 499944, 543858, 583268, 725144, 874902, 958226, 1087716, 1166536, 1437339, 1749804, 1916452, 2175432, 2874678, 3353791, 3499608, 3832904, 5749356, 6707582, 10061373, 11498712, 13415164, 20122746, 26830328, 40245492, 80490984]

約数ペア:

[(1, 80490984), (2, 40245492), (3, 26830328), (4, 20122746), (6, 13415164), (7, 11498712), (8, 10061373), (12, 6707582), (14, 5749356), (21, 3832904), (23, 3499608), (24, 3353791), (28, 2874678), (37, 2175432), (42, 1916452), (46, 1749804), (56, 1437339), (69, 1166536), (74, 1087716), (84, 958226), (92, 874902), (111, 725144), (138, 583268), (148, 543858), (161, 499944), (168, 479113), (184, 437451), (222, 362572), (259, 310776), (276, 291634), (296, 271929), (322, 249972), (444, 181286), (483, 166648), (518, 155388), (552, 145817), (563, 142968), (644, 124986), (777, 103592), (851, 94584), (888, 90643), (966, 83324), (1036, 77694), (1126, 71484), (1288, 62493), (1554, 51796), (1689, 47656), (1702, 47292), (1932, 41662), (2072, 38847), (2252, 35742), (2553, 31528), (3108, 25898), (3378, 23828), (3404, 23646), (3864, 20831), (3941, 20424), (4504, 17871), (5106, 15764), (5957, 13512), (6216, 12949), (6756, 11914), (6808, 11823), (7882, 10212)]