261495216

素因数分解:

$2^4\times 3^8\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 790744032

約数和(自身を除く): 529248816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 53, 54, 72, 81, 94, 106, 108, 141, 144, 159, 162, 188, 212, 216, 243, 282, 318, 324, 376, 423, 424, 432, 477, 486, 564, 636, 648, 729, 752, 846, 848, 954, 972, 1128, 1269, 1272, 1296, 1431, 1458, 1692, 1908, 1944, 2187, 2256, 2491, 2538, 2544, 2862, 2916, 3384, 3807, 3816, 3888, 4293, 4374, 4982, 5076, 5724, 5832, 6561, 6768, 7473, 7614, 7632, 8586, 8748, 9964, 10152, 11421, 11448, 11664, 12879, 13122, 14946, 15228, 17172, 17496, 19928, 20304, 22419, 22842, 22896, 25758, 26244, 29892, 30456, 34263, 34344, 34992, 38637, 39856, 44838, 45684, 51516, 52488, 59784, 60912, 67257, 68526, 68688, 77274, 89676, 91368, 102789, 103032, 104976, 115911, 119568, 134514, 137052, 154548, 179352, 182736, 201771, 205578, 206064, 231822, 269028, 274104, 308367, 309096, 347733, 358704, 403542, 411156, 463644, 538056, 548208, 605313, 616734, 618192, 695466, 807084, 822312, 927288, 1076112, 1210626, 1233468, 1390932, 1614168, 1644624, 1815939, 1854576, 2421252, 2466936, 2781864, 3228336, 3631878, 4842504, 4933872, 5447817, 5563728, 7263756, 9685008, 10895634, 14527512, 16343451, 21791268, 29055024, 32686902, 43582536, 65373804, 87165072, 130747608, 261495216]

約数ペア:

[(1, 261495216), (2, 130747608), (3, 87165072), (4, 65373804), (6, 43582536), (8, 32686902), (9, 29055024), (12, 21791268), (16, 16343451), (18, 14527512), (24, 10895634), (27, 9685008), (36, 7263756), (47, 5563728), (48, 5447817), (53, 4933872), (54, 4842504), (72, 3631878), (81, 3228336), (94, 2781864), (106, 2466936), (108, 2421252), (141, 1854576), (144, 1815939), (159, 1644624), (162, 1614168), (188, 1390932), (212, 1233468), (216, 1210626), (243, 1076112), (282, 927288), (318, 822312), (324, 807084), (376, 695466), (423, 618192), (424, 616734), (432, 605313), (477, 548208), (486, 538056), (564, 463644), (636, 411156), (648, 403542), (729, 358704), (752, 347733), (846, 309096), (848, 308367), (954, 274104), (972, 269028), (1128, 231822), (1269, 206064), (1272, 205578), (1296, 201771), (1431, 182736), (1458, 179352), (1692, 154548), (1908, 137052), (1944, 134514), (2187, 119568), (2256, 115911), (2491, 104976), (2538, 103032), (2544, 102789), (2862, 91368), (2916, 89676), (3384, 77274), (3807, 68688), (3816, 68526), (3888, 67257), (4293, 60912), (4374, 59784), (4982, 52488), (5076, 51516), (5724, 45684), (5832, 44838), (6561, 39856), (6768, 38637), (7473, 34992), (7614, 34344), (7632, 34263), (8586, 30456), (8748, 29892), (9964, 26244), (10152, 25758), (11421, 22896), (11448, 22842), (11664, 22419), (12879, 20304), (13122, 19928), (14946, 17496), (15228, 17172)]