128716800

素因数分解:

$2^{12}\times 3^1\times 5^2\times {\mathrm{419}}^1$

素因数の和:456

約数の個数: 156

約数和(自身を含む): 426587280

約数和(自身を除く): 297870480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 419, 480, 512, 600, 640, 768, 800, 838, 960, 1024, 1200, 1257, 1280, 1536, 1600, 1676, 1920, 2048, 2095, 2400, 2514, 2560, 3072, 3200, 3352, 3840, 4096, 4190, 4800, 5028, 5120, 6144, 6285, 6400, 6704, 7680, 8380, 9600, 10056, 10240, 10475, 12288, 12570, 12800, 13408, 15360, 16760, 19200, 20112, 20480, 20950, 25140, 25600, 26816, 30720, 31425, 33520, 38400, 40224, 41900, 50280, 51200, 53632, 61440, 62850, 67040, 76800, 80448, 83800, 100560, 102400, 107264, 125700, 134080, 153600, 160896, 167600, 201120, 214528, 251400, 268160, 307200, 321792, 335200, 402240, 429056, 502800, 536320, 643584, 670400, 804480, 858112, 1005600, 1072640, 1287168, 1340800, 1608960, 1716224, 2011200, 2145280, 2574336, 2681600, 3217920, 4022400, 4290560, 5148672, 5363200, 6435840, 8044800, 8581120, 10726400, 12871680, 16089600, 21452800, 25743360, 32179200, 42905600, 64358400, 128716800]

約数ペア:

[(1, 128716800), (2, 64358400), (3, 42905600), (4, 32179200), (5, 25743360), (6, 21452800), (8, 16089600), (10, 12871680), (12, 10726400), (15, 8581120), (16, 8044800), (20, 6435840), (24, 5363200), (25, 5148672), (30, 4290560), (32, 4022400), (40, 3217920), (48, 2681600), (50, 2574336), (60, 2145280), (64, 2011200), (75, 1716224), (80, 1608960), (96, 1340800), (100, 1287168), (120, 1072640), (128, 1005600), (150, 858112), (160, 804480), (192, 670400), (200, 643584), (240, 536320), (256, 502800), (300, 429056), (320, 402240), (384, 335200), (400, 321792), (419, 307200), (480, 268160), (512, 251400), (600, 214528), (640, 201120), (768, 167600), (800, 160896), (838, 153600), (960, 134080), (1024, 125700), (1200, 107264), (1257, 102400), (1280, 100560), (1536, 83800), (1600, 80448), (1676, 76800), (1920, 67040), (2048, 62850), (2095, 61440), (2400, 53632), (2514, 51200), (2560, 50280), (3072, 41900), (3200, 40224), (3352, 38400), (3840, 33520), (4096, 31425), (4190, 30720), (4800, 26816), (5028, 25600), (5120, 25140), (6144, 20950), (6285, 20480), (6400, 20112), (6704, 19200), (7680, 16760), (8380, 15360), (9600, 13408), (10056, 12800), (10240, 12570), (10475, 12288)]