128870400

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 426535200

約数和(自身を除く): 297664800

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, 480, 512, 600, 640, 768, 800, 839, 960, 1024, 1200, 1280, 1536, 1600, 1678, 1920, 2048, 2400, 2517, 2560, 3072, 3200, 3356, 3840, 4195, 4800, 5034, 5120, 6144, 6400, 6712, 7680, 8390, 9600, 10068, 10240, 12585, 12800, 13424, 15360, 16780, 19200, 20136, 20975, 25170, 25600, 26848, 30720, 33560, 38400, 40272, 41950, 50340, 51200, 53696, 62925, 67120, 76800, 80544, 83900, 100680, 107392, 125850, 134240, 153600, 161088, 167800, 201360, 214784, 251700, 268480, 322176, 335600, 402720, 429568, 503400, 536960, 644352, 671200, 805440, 859136, 1006800, 1073920, 1288704, 1342400, 1610880, 1718272, 2013600, 2147840, 2577408, 2684800, 3221760, 4027200, 4295680, 5154816, 5369600, 6443520, 8054400, 8591360, 10739200, 12887040, 16108800, 21478400, 25774080, 32217600, 42956800, 64435200, 128870400]

約数ペア:

[(1, 128870400), (2, 64435200), (3, 42956800), (4, 32217600), (5, 25774080), (6, 21478400), (8, 16108800), (10, 12887040), (12, 10739200), (15, 8591360), (16, 8054400), (20, 6443520), (24, 5369600), (25, 5154816), (30, 4295680), (32, 4027200), (40, 3221760), (48, 2684800), (50, 2577408), (60, 2147840), (64, 2013600), (75, 1718272), (80, 1610880), (96, 1342400), (100, 1288704), (120, 1073920), (128, 1006800), (150, 859136), (160, 805440), (192, 671200), (200, 644352), (240, 536960), (256, 503400), (300, 429568), (320, 402720), (384, 335600), (400, 322176), (480, 268480), (512, 251700), (600, 214784), (640, 201360), (768, 167800), (800, 161088), (839, 153600), (960, 134240), (1024, 125850), (1200, 107392), (1280, 100680), (1536, 83900), (1600, 80544), (1678, 76800), (1920, 67120), (2048, 62925), (2400, 53696), (2517, 51200), (2560, 50340), (3072, 41950), (3200, 40272), (3356, 38400), (3840, 33560), (4195, 30720), (4800, 26848), (5034, 25600), (5120, 25170), (6144, 20975), (6400, 20136), (6712, 19200), (7680, 16780), (8390, 15360), (9600, 13424), (10068, 12800), (10240, 12585)]