1291376640

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 4176506880

約数和(自身を除く): 2885130240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 331, 381, 384, 480, 508, 512, 635, 640, 662, 762, 768, 960, 993, 1016, 1024, 1270, 1280, 1324, 1524, 1536, 1655, 1905, 1920, 1986, 2032, 2048, 2540, 2560, 2648, 3048, 3072, 3310, 3810, 3840, 3972, 4064, 4965, 5080, 5120, 5296, 6096, 6144, 6620, 7620, 7680, 7944, 8128, 9930, 10160, 10240, 10592, 12192, 13240, 15240, 15360, 15888, 16256, 19860, 20320, 21184, 24384, 26480, 30480, 30720, 31776, 32512, 39720, 40640, 42037, 42368, 48768, 52960, 60960, 63552, 65024, 79440, 81280, 84074, 84736, 97536, 105920, 121920, 126111, 127104, 130048, 158880, 162560, 168148, 169472, 195072, 210185, 211840, 243840, 252222, 254208, 260096, 317760, 325120, 336296, 338944, 390144, 420370, 423680, 487680, 504444, 508416, 630555, 635520, 650240, 672592, 677888, 780288, 840740, 847360, 975360, 1008888, 1016832, 1261110, 1271040, 1300480, 1345184, 1681480, 1694720, 1950720, 2017776, 2033664, 2522220, 2542080, 2690368, 3362960, 3389440, 3901440, 4035552, 5044440, 5084160, 5380736, 6725920, 8071104, 10088880, 10168320, 10761472, 13451840, 16142208, 20177760, 21522944, 26903680, 32284416, 40355520, 43045888, 53807360, 64568832, 80711040, 86091776, 107614720, 129137664, 161422080, 215229440, 258275328, 322844160, 430458880, 645688320, 1291376640]

約数ペア:

[(1, 1291376640), (2, 645688320), (3, 430458880), (4, 322844160), (5, 258275328), (6, 215229440), (8, 161422080), (10, 129137664), (12, 107614720), (15, 86091776), (16, 80711040), (20, 64568832), (24, 53807360), (30, 43045888), (32, 40355520), (40, 32284416), (48, 26903680), (60, 21522944), (64, 20177760), (80, 16142208), (96, 13451840), (120, 10761472), (127, 10168320), (128, 10088880), (160, 8071104), (192, 6725920), (240, 5380736), (254, 5084160), (256, 5044440), (320, 4035552), (331, 3901440), (381, 3389440), (384, 3362960), (480, 2690368), (508, 2542080), (512, 2522220), (635, 2033664), (640, 2017776), (662, 1950720), (762, 1694720), (768, 1681480), (960, 1345184), (993, 1300480), (1016, 1271040), (1024, 1261110), (1270, 1016832), (1280, 1008888), (1324, 975360), (1524, 847360), (1536, 840740), (1655, 780288), (1905, 677888), (1920, 672592), (1986, 650240), (2032, 635520), (2048, 630555), (2540, 508416), (2560, 504444), (2648, 487680), (3048, 423680), (3072, 420370), (3310, 390144), (3810, 338944), (3840, 336296), (3972, 325120), (4064, 317760), (4965, 260096), (5080, 254208), (5120, 252222), (5296, 243840), (6096, 211840), (6144, 210185), (6620, 195072), (7620, 169472), (7680, 168148), (7944, 162560), (8128, 158880), (9930, 130048), (10160, 127104), (10240, 126111), (10592, 121920), (12192, 105920), (13240, 97536), (15240, 84736), (15360, 84074), (15888, 81280), (16256, 79440), (19860, 65024), (20320, 63552), (21184, 60960), (24384, 52960), (26480, 48768), (30480, 42368), (30720, 42037), (31776, 40640), (32512, 39720)]