121477720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 128

約数和(自身を含む): 351267840

約数和(自身を除く): 229790120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1451, 1495, 1610, 1820, 2093, 2392, 2902, 2990, 3220, 3640, 4186, 5804, 5980, 6440, 7255, 8372, 10157, 10465, 11608, 11960, 14510, 16744, 18863, 20314, 20930, 29020, 33373, 37726, 40628, 41860, 50785, 58040, 66746, 75452, 81256, 83720, 94315, 101570, 132041, 133492, 150904, 166865, 188630, 203140, 233611, 264082, 266984, 333730, 377260, 406280, 433849, 467222, 528164, 660205, 667460, 754520, 867698, 934444, 1056328, 1168055, 1320410, 1334920, 1735396, 1868888, 2169245, 2336110, 2640820, 3036943, 3470792, 4338490, 4672220, 5281640, 6073886, 8676980, 9344440, 12147772, 15184715, 17353960, 24295544, 30369430, 60738860, 121477720]

約数ペア:

[(1, 121477720), (2, 60738860), (4, 30369430), (5, 24295544), (7, 17353960), (8, 15184715), (10, 12147772), (13, 9344440), (14, 8676980), (20, 6073886), (23, 5281640), (26, 4672220), (28, 4338490), (35, 3470792), (40, 3036943), (46, 2640820), (52, 2336110), (56, 2169245), (65, 1868888), (70, 1735396), (91, 1334920), (92, 1320410), (104, 1168055), (115, 1056328), (130, 934444), (140, 867698), (161, 754520), (182, 667460), (184, 660205), (230, 528164), (260, 467222), (280, 433849), (299, 406280), (322, 377260), (364, 333730), (455, 266984), (460, 264082), (520, 233611), (598, 203140), (644, 188630), (728, 166865), (805, 150904), (910, 133492), (920, 132041), (1196, 101570), (1288, 94315), (1451, 83720), (1495, 81256), (1610, 75452), (1820, 66746), (2093, 58040), (2392, 50785), (2902, 41860), (2990, 40628), (3220, 37726), (3640, 33373), (4186, 29020), (5804, 20930), (5980, 20314), (6440, 18863), (7255, 16744), (8372, 14510), (10157, 11960), (10465, 11608)]