81240432

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2695

約数の個数: 120

約数和(自身を含む): 263014416

約数和(自身を除く): 181773984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 728, 784, 1092, 1176, 1274, 1456, 1911, 2184, 2352, 2548, 2657, 3822, 4368, 5096, 5314, 7644, 7971, 10192, 10628, 15288, 15942, 18599, 21256, 30576, 31884, 34541, 37198, 42512, 55797, 63768, 69082, 74396, 103623, 111594, 127536, 130193, 138164, 148792, 207246, 223188, 241787, 260386, 276328, 297584, 390579, 414492, 446376, 483574, 520772, 552656, 725361, 781158, 828984, 892752, 967148, 1041544, 1450722, 1562316, 1657968, 1692509, 1934296, 2083088, 2901444, 3124632, 3385018, 3868592, 5077527, 5802888, 6249264, 6770036, 10155054, 11605776, 13540072, 20310108, 27080144, 40620216, 81240432]

約数ペア:

[(1, 81240432), (2, 40620216), (3, 27080144), (4, 20310108), (6, 13540072), (7, 11605776), (8, 10155054), (12, 6770036), (13, 6249264), (14, 5802888), (16, 5077527), (21, 3868592), (24, 3385018), (26, 3124632), (28, 2901444), (39, 2083088), (42, 1934296), (48, 1692509), (49, 1657968), (52, 1562316), (56, 1450722), (78, 1041544), (84, 967148), (91, 892752), (98, 828984), (104, 781158), (112, 725361), (147, 552656), (156, 520772), (168, 483574), (182, 446376), (196, 414492), (208, 390579), (273, 297584), (294, 276328), (312, 260386), (336, 241787), (364, 223188), (392, 207246), (546, 148792), (588, 138164), (624, 130193), (637, 127536), (728, 111594), (784, 103623), (1092, 74396), (1176, 69082), (1274, 63768), (1456, 55797), (1911, 42512), (2184, 37198), (2352, 34541), (2548, 31884), (2657, 30576), (3822, 21256), (4368, 18599), (5096, 15942), (5314, 15288), (7644, 10628), (7971, 10192)]