1277721600

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 264

約数和(自身を含む): 4288677888

約数和(自身を除く): 3010956288

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, 127, 128, 131, 150, 160, 192, 200, 240, 254, 256, 262, 300, 320, 381, 384, 393, 400, 480, 508, 512, 524, 600, 635, 640, 655, 762, 768, 786, 800, 960, 1016, 1024, 1048, 1200, 1270, 1280, 1310, 1524, 1536, 1572, 1600, 1905, 1920, 1965, 2032, 2096, 2400, 2540, 2560, 2620, 3048, 3072, 3144, 3175, 3200, 3275, 3810, 3840, 3930, 4064, 4192, 4800, 5080, 5120, 5240, 6096, 6288, 6350, 6400, 6550, 7620, 7680, 7860, 8128, 8384, 9525, 9600, 9825, 10160, 10480, 12192, 12576, 12700, 12800, 13100, 15240, 15360, 15720, 16256, 16637, 16768, 19050, 19200, 19650, 20320, 20960, 24384, 25152, 25400, 25600, 26200, 30480, 31440, 32512, 33274, 33536, 38100, 38400, 39300, 40640, 41920, 48768, 49911, 50304, 50800, 52400, 60960, 62880, 65024, 66548, 67072, 76200, 76800, 78600, 81280, 83185, 83840, 97536, 99822, 100608, 101600, 104800, 121920, 125760, 130048, 133096, 134144, 152400, 157200, 162560, 166370, 167680, 195072, 199644, 201216, 203200, 209600, 243840, 249555, 251520, 266192, 304800, 314400, 325120, 332740, 335360, 390144, 399288, 402432, 406400, 415925, 419200, 487680, 499110, 503040, 532384, 609600, 628800, 650240, 665480, 670720, 798576, 812800, 831850, 838400, 975360, 998220, 1006080, 1064768, 1219200, 1247775, 1257600, 1330960, 1597152, 1625600, 1663700, 1676800, 1950720, 1996440, 2012160, 2129536, 2438400, 2495550, 2515200, 2661920, 3194304, 3251200, 3327400, 3353600, 3992880, 4259072, 4876800, 4991100, 5030400, 5323840, 6388608, 6654800, 7985760, 8518144, 9753600, 9982200, 10060800, 10647680, 12777216, 13309600, 15971520, 17036288, 19964400, 21295360, 25554432, 26619200, 31943040, 39928800, 42590720, 51108864, 53238400, 63886080, 79857600, 85181440, 106476800, 127772160, 159715200, 212953600, 255544320, 319430400, 425907200, 638860800, 1277721600]

約数ペア:

[(1, 1277721600), (2, 638860800), (3, 425907200), (4, 319430400), (5, 255544320), (6, 212953600), (8, 159715200), (10, 127772160), (12, 106476800), (15, 85181440), (16, 79857600), (20, 63886080), (24, 53238400), (25, 51108864), (30, 42590720), (32, 39928800), (40, 31943040), (48, 26619200), (50, 25554432), (60, 21295360), (64, 19964400), (75, 17036288), (80, 15971520), (96, 13309600), (100, 12777216), (120, 10647680), (127, 10060800), (128, 9982200), (131, 9753600), (150, 8518144), (160, 7985760), (192, 6654800), (200, 6388608), (240, 5323840), (254, 5030400), (256, 4991100), (262, 4876800), (300, 4259072), (320, 3992880), (381, 3353600), (384, 3327400), (393, 3251200), (400, 3194304), (480, 2661920), (508, 2515200), (512, 2495550), (524, 2438400), (600, 2129536), (635, 2012160), (640, 1996440), (655, 1950720), (762, 1676800), (768, 1663700), (786, 1625600), (800, 1597152), (960, 1330960), (1016, 1257600), (1024, 1247775), (1048, 1219200), (1200, 1064768), (1270, 1006080), (1280, 998220), (1310, 975360), (1524, 838400), (1536, 831850), (1572, 812800), (1600, 798576), (1905, 670720), (1920, 665480), (1965, 650240), (2032, 628800), (2096, 609600), (2400, 532384), (2540, 503040), (2560, 499110), (2620, 487680), (3048, 419200), (3072, 415925), (3144, 406400), (3175, 402432), (3200, 399288), (3275, 390144), (3810, 335360), (3840, 332740), (3930, 325120), (4064, 314400), (4192, 304800), (4800, 266192), (5080, 251520), (5120, 249555), (5240, 243840), (6096, 209600), (6288, 203200), (6350, 201216), (6400, 199644), (6550, 195072), (7620, 167680), (7680, 166370), (7860, 162560), (8128, 157200), (8384, 152400), (9525, 134144), (9600, 133096), (9825, 130048), (10160, 125760), (10480, 121920), (12192, 104800), (12576, 101600), (12700, 100608), (12800, 99822), (13100, 97536), (15240, 83840), (15360, 83185), (15720, 81280), (16256, 78600), (16637, 76800), (16768, 76200), (19050, 67072), (19200, 66548), (19650, 65024), (20320, 62880), (20960, 60960), (24384, 52400), (25152, 50800), (25400, 50304), (25600, 49911), (26200, 48768), (30480, 41920), (31440, 40640), (32512, 39300), (33274, 38400), (33536, 38100)]