81251856

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 160

約数和(自身を含む): 270260480

約数和(自身を除く): 189008624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 97, 108, 112, 126, 144, 168, 189, 194, 216, 252, 277, 291, 336, 378, 388, 432, 504, 554, 582, 679, 756, 776, 831, 873, 1008, 1108, 1164, 1358, 1512, 1552, 1662, 1746, 1939, 2037, 2216, 2328, 2493, 2619, 2716, 3024, 3324, 3492, 3878, 4074, 4432, 4656, 4986, 5238, 5432, 5817, 6111, 6648, 6984, 7479, 7756, 8148, 9972, 10476, 10864, 11634, 12222, 13296, 13968, 14958, 15512, 16296, 17451, 18333, 19944, 20952, 23268, 24444, 26869, 29916, 31024, 32592, 34902, 36666, 39888, 41904, 46536, 48888, 52353, 53738, 59832, 69804, 73332, 80607, 93072, 97776, 104706, 107476, 119664, 139608, 146664, 161214, 188083, 209412, 214952, 241821, 279216, 293328, 322428, 376166, 418824, 429904, 483642, 564249, 644856, 725463, 752332, 837648, 967284, 1128498, 1289712, 1450926, 1504664, 1692747, 1934568, 2256996, 2901852, 3009328, 3385494, 3869136, 4513992, 5078241, 5803704, 6770988, 9027984, 10156482, 11607408, 13541976, 20312964, 27083952, 40625928, 81251856]

約数ペア:

[(1, 81251856), (2, 40625928), (3, 27083952), (4, 20312964), (6, 13541976), (7, 11607408), (8, 10156482), (9, 9027984), (12, 6770988), (14, 5803704), (16, 5078241), (18, 4513992), (21, 3869136), (24, 3385494), (27, 3009328), (28, 2901852), (36, 2256996), (42, 1934568), (48, 1692747), (54, 1504664), (56, 1450926), (63, 1289712), (72, 1128498), (84, 967284), (97, 837648), (108, 752332), (112, 725463), (126, 644856), (144, 564249), (168, 483642), (189, 429904), (194, 418824), (216, 376166), (252, 322428), (277, 293328), (291, 279216), (336, 241821), (378, 214952), (388, 209412), (432, 188083), (504, 161214), (554, 146664), (582, 139608), (679, 119664), (756, 107476), (776, 104706), (831, 97776), (873, 93072), (1008, 80607), (1108, 73332), (1164, 69804), (1358, 59832), (1512, 53738), (1552, 52353), (1662, 48888), (1746, 46536), (1939, 41904), (2037, 39888), (2216, 36666), (2328, 34902), (2493, 32592), (2619, 31024), (2716, 29916), (3024, 26869), (3324, 24444), (3492, 23268), (3878, 20952), (4074, 19944), (4432, 18333), (4656, 17451), (4986, 16296), (5238, 15512), (5432, 14958), (5817, 13968), (6111, 13296), (6648, 12222), (6984, 11634), (7479, 10864), (7756, 10476), (8148, 9972)]