217200480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:661

約数の個数: 192

約数和(自身を含む): 789626880

約数和(自身を除く): 572426400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 210, 224, 240, 254, 280, 336, 381, 420, 480, 508, 509, 560, 635, 672, 762, 840, 889, 1016, 1018, 1120, 1270, 1524, 1527, 1680, 1778, 1905, 2032, 2036, 2540, 2545, 2667, 3048, 3054, 3360, 3556, 3563, 3810, 4064, 4072, 4445, 5080, 5090, 5334, 6096, 6108, 7112, 7126, 7620, 7635, 8144, 8890, 10160, 10180, 10668, 10689, 12192, 12216, 13335, 14224, 14252, 15240, 15270, 16288, 17780, 17815, 20320, 20360, 21336, 21378, 24432, 26670, 28448, 28504, 30480, 30540, 35560, 35630, 40720, 42672, 42756, 48864, 53340, 53445, 57008, 60960, 61080, 64643, 71120, 71260, 81440, 85344, 85512, 106680, 106890, 114016, 122160, 129286, 142240, 142520, 171024, 193929, 213360, 213780, 244320, 258572, 285040, 323215, 342048, 387858, 426720, 427560, 452501, 517144, 570080, 646430, 775716, 855120, 905002, 969645, 1034288, 1292860, 1357503, 1551432, 1710240, 1810004, 1939290, 2068576, 2262505, 2585720, 2715006, 3102864, 3620008, 3878580, 4525010, 5171440, 5430012, 6205728, 6787515, 7240016, 7757160, 9050020, 10342880, 10860024, 13575030, 14480032, 15514320, 18100040, 21720048, 27150060, 31028640, 36200080, 43440096, 54300120, 72400160, 108600240, 217200480]

約数ペア:

[(1, 217200480), (2, 108600240), (3, 72400160), (4, 54300120), (5, 43440096), (6, 36200080), (7, 31028640), (8, 27150060), (10, 21720048), (12, 18100040), (14, 15514320), (15, 14480032), (16, 13575030), (20, 10860024), (21, 10342880), (24, 9050020), (28, 7757160), (30, 7240016), (32, 6787515), (35, 6205728), (40, 5430012), (42, 5171440), (48, 4525010), (56, 3878580), (60, 3620008), (70, 3102864), (80, 2715006), (84, 2585720), (96, 2262505), (105, 2068576), (112, 1939290), (120, 1810004), (127, 1710240), (140, 1551432), (160, 1357503), (168, 1292860), (210, 1034288), (224, 969645), (240, 905002), (254, 855120), (280, 775716), (336, 646430), (381, 570080), (420, 517144), (480, 452501), (508, 427560), (509, 426720), (560, 387858), (635, 342048), (672, 323215), (762, 285040), (840, 258572), (889, 244320), (1016, 213780), (1018, 213360), (1120, 193929), (1270, 171024), (1524, 142520), (1527, 142240), (1680, 129286), (1778, 122160), (1905, 114016), (2032, 106890), (2036, 106680), (2540, 85512), (2545, 85344), (2667, 81440), (3048, 71260), (3054, 71120), (3360, 64643), (3556, 61080), (3563, 60960), (3810, 57008), (4064, 53445), (4072, 53340), (4445, 48864), (5080, 42756), (5090, 42672), (5334, 40720), (6096, 35630), (6108, 35560), (7112, 30540), (7126, 30480), (7620, 28504), (7635, 28448), (8144, 26670), (8890, 24432), (10160, 21378), (10180, 21336), (10668, 20360), (10689, 20320), (12192, 17815), (12216, 17780), (13335, 16288), (14224, 15270), (14252, 15240)]