80486400

素因数分解:

$2^{13}\times 3^1\times 5^2\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 168

約数和(自身を含む): 268156944

約数和(自身を除く): 187670544

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, 131, 150, 160, 192, 200, 240, 256, 262, 300, 320, 384, 393, 400, 480, 512, 524, 600, 640, 655, 768, 786, 800, 960, 1024, 1048, 1200, 1280, 1310, 1536, 1572, 1600, 1920, 1965, 2048, 2096, 2400, 2560, 2620, 3072, 3144, 3200, 3275, 3840, 3930, 4096, 4192, 4800, 5120, 5240, 6144, 6288, 6400, 6550, 7680, 7860, 8192, 8384, 9600, 9825, 10240, 10480, 12288, 12576, 12800, 13100, 15360, 15720, 16768, 19200, 19650, 20480, 20960, 24576, 25152, 25600, 26200, 30720, 31440, 33536, 38400, 39300, 40960, 41920, 50304, 51200, 52400, 61440, 62880, 67072, 76800, 78600, 83840, 100608, 102400, 104800, 122880, 125760, 134144, 153600, 157200, 167680, 201216, 204800, 209600, 251520, 268288, 307200, 314400, 335360, 402432, 419200, 503040, 536576, 614400, 628800, 670720, 804864, 838400, 1006080, 1073152, 1257600, 1341440, 1609728, 1676800, 2012160, 2515200, 2682880, 3219456, 3353600, 4024320, 5030400, 5365760, 6707200, 8048640, 10060800, 13414400, 16097280, 20121600, 26828800, 40243200, 80486400]

約数ペア:

[(1, 80486400), (2, 40243200), (3, 26828800), (4, 20121600), (5, 16097280), (6, 13414400), (8, 10060800), (10, 8048640), (12, 6707200), (15, 5365760), (16, 5030400), (20, 4024320), (24, 3353600), (25, 3219456), (30, 2682880), (32, 2515200), (40, 2012160), (48, 1676800), (50, 1609728), (60, 1341440), (64, 1257600), (75, 1073152), (80, 1006080), (96, 838400), (100, 804864), (120, 670720), (128, 628800), (131, 614400), (150, 536576), (160, 503040), (192, 419200), (200, 402432), (240, 335360), (256, 314400), (262, 307200), (300, 268288), (320, 251520), (384, 209600), (393, 204800), (400, 201216), (480, 167680), (512, 157200), (524, 153600), (600, 134144), (640, 125760), (655, 122880), (768, 104800), (786, 102400), (800, 100608), (960, 83840), (1024, 78600), (1048, 76800), (1200, 67072), (1280, 62880), (1310, 61440), (1536, 52400), (1572, 51200), (1600, 50304), (1920, 41920), (1965, 40960), (2048, 39300), (2096, 38400), (2400, 33536), (2560, 31440), (2620, 30720), (3072, 26200), (3144, 25600), (3200, 25152), (3275, 24576), (3840, 20960), (3930, 20480), (4096, 19650), (4192, 19200), (4800, 16768), (5120, 15720), (5240, 15360), (6144, 13100), (6288, 12800), (6400, 12576), (6550, 12288), (7680, 10480), (7860, 10240), (8192, 9825), (8384, 9600)]