321960240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 1247920128

約数和(自身を除く): 925959888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 360, 381, 420, 503, 504, 508, 560, 630, 635, 720, 762, 840, 889, 1006, 1008, 1016, 1143, 1260, 1270, 1509, 1524, 1680, 1778, 1905, 2012, 2032, 2286, 2515, 2520, 2540, 2667, 3018, 3048, 3521, 3556, 3810, 4024, 4445, 4527, 4572, 5030, 5040, 5080, 5334, 5715, 6036, 6096, 7042, 7112, 7545, 7620, 8001, 8048, 8890, 9054, 9144, 10060, 10160, 10563, 10668, 11430, 12072, 13335, 14084, 14224, 15090, 15240, 16002, 17605, 17780, 18108, 18288, 20120, 21126, 21336, 22635, 22860, 24144, 26670, 28168, 30180, 30480, 31689, 32004, 35210, 35560, 36216, 40005, 40240, 42252, 42672, 45270, 45720, 52815, 53340, 56336, 60360, 63378, 63881, 64008, 70420, 71120, 72432, 80010, 84504, 90540, 91440, 105630, 106680, 120720, 126756, 127762, 128016, 140840, 158445, 160020, 169008, 181080, 191643, 211260, 213360, 253512, 255524, 281680, 316890, 319405, 320040, 362160, 383286, 422520, 447167, 507024, 511048, 574929, 633780, 638810, 640080, 766572, 845040, 894334, 958215, 1022096, 1149858, 1267560, 1277620, 1341501, 1533144, 1788668, 1916430, 2235835, 2299716, 2535120, 2555240, 2683002, 2874645, 3066288, 3577336, 3832860, 4024503, 4471670, 4599432, 5110480, 5366004, 5749290, 6707505, 7154672, 7665720, 8049006, 8943340, 9198864, 10732008, 11498580, 13415010, 15331440, 16098012, 17886680, 20122515, 21464016, 22997160, 26830020, 32196024, 35773360, 40245030, 45994320, 53660040, 64392048, 80490060, 107320080, 160980120, 321960240]

約数ペア:

[(1, 321960240), (2, 160980120), (3, 107320080), (4, 80490060), (5, 64392048), (6, 53660040), (7, 45994320), (8, 40245030), (9, 35773360), (10, 32196024), (12, 26830020), (14, 22997160), (15, 21464016), (16, 20122515), (18, 17886680), (20, 16098012), (21, 15331440), (24, 13415010), (28, 11498580), (30, 10732008), (35, 9198864), (36, 8943340), (40, 8049006), (42, 7665720), (45, 7154672), (48, 6707505), (56, 5749290), (60, 5366004), (63, 5110480), (70, 4599432), (72, 4471670), (80, 4024503), (84, 3832860), (90, 3577336), (105, 3066288), (112, 2874645), (120, 2683002), (126, 2555240), (127, 2535120), (140, 2299716), (144, 2235835), (168, 1916430), (180, 1788668), (210, 1533144), (240, 1341501), (252, 1277620), (254, 1267560), (280, 1149858), (315, 1022096), (336, 958215), (360, 894334), (381, 845040), (420, 766572), (503, 640080), (504, 638810), (508, 633780), (560, 574929), (630, 511048), (635, 507024), (720, 447167), (762, 422520), (840, 383286), (889, 362160), (1006, 320040), (1008, 319405), (1016, 316890), (1143, 281680), (1260, 255524), (1270, 253512), (1509, 213360), (1524, 211260), (1680, 191643), (1778, 181080), (1905, 169008), (2012, 160020), (2032, 158445), (2286, 140840), (2515, 128016), (2520, 127762), (2540, 126756), (2667, 120720), (3018, 106680), (3048, 105630), (3521, 91440), (3556, 90540), (3810, 84504), (4024, 80010), (4445, 72432), (4527, 71120), (4572, 70420), (5030, 64008), (5040, 63881), (5080, 63378), (5334, 60360), (5715, 56336), (6036, 53340), (6096, 52815), (7042, 45720), (7112, 45270), (7545, 42672), (7620, 42252), (8001, 40240), (8048, 40005), (8890, 36216), (9054, 35560), (9144, 35210), (10060, 32004), (10160, 31689), (10563, 30480), (10668, 30180), (11430, 28168), (12072, 26670), (13335, 24144), (14084, 22860), (14224, 22635), (15090, 21336), (15240, 21126), (16002, 20120), (17605, 18288), (17780, 18108)]