261666720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:557

約数の個数: 384

約数和(自身を含む): 1110412800

約数和(自身を除く): 848746080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 160, 168, 170, 180, 189, 204, 210, 216, 224, 238, 240, 252, 255, 270, 272, 280, 288, 306, 315, 336, 340, 357, 360, 378, 408, 420, 432, 459, 476, 480, 504, 509, 510, 540, 544, 560, 595, 612, 630, 672, 680, 714, 720, 756, 765, 816, 840, 864, 918, 945, 952, 1008, 1018, 1020, 1071, 1080, 1120, 1190, 1224, 1260, 1360, 1428, 1440, 1512, 1527, 1530, 1632, 1680, 1785, 1836, 1890, 1904, 2016, 2036, 2040, 2142, 2160, 2295, 2380, 2448, 2520, 2545, 2720, 2856, 3024, 3054, 3060, 3213, 3360, 3563, 3570, 3672, 3780, 3808, 4072, 4080, 4284, 4320, 4581, 4590, 4760, 4896, 5040, 5090, 5355, 5712, 6048, 6108, 6120, 6426, 7126, 7140, 7344, 7560, 7635, 8144, 8160, 8568, 8653, 9162, 9180, 9520, 10080, 10180, 10689, 10710, 11424, 12216, 12240, 12852, 13743, 14252, 14280, 14688, 15120, 15270, 16065, 16288, 17136, 17306, 17815, 18324, 18360, 19040, 20360, 21378, 21420, 22905, 24432, 24480, 25704, 25959, 27486, 28504, 28560, 30240, 30540, 32067, 32130, 34272, 34612, 35630, 36648, 36720, 40720, 42756, 42840, 43265, 45810, 48864, 51408, 51918, 53445, 54972, 57008, 57120, 60571, 61080, 64134, 64260, 68715, 69224, 71260, 73296, 73440, 77877, 81440, 85512, 85680, 86530, 91620, 96201, 102816, 103836, 106890, 109944, 114016, 121142, 122160, 128268, 128520, 129795, 137430, 138448, 142520, 146592, 155754, 160335, 171024, 171360, 173060, 181713, 183240, 192402, 207672, 213780, 219888, 233631, 242284, 244320, 256536, 257040, 259590, 274860, 276896, 285040, 302855, 311508, 320670, 342048, 346120, 363426, 366480, 384804, 389385, 415344, 427560, 439776, 467262, 481005, 484568, 513072, 514080, 519180, 545139, 549720, 570080, 605710, 623016, 641340, 692240, 726852, 732960, 769608, 778770, 830688, 855120, 908565, 934524, 962010, 969136, 1026144, 1038360, 1090278, 1099440, 1168155, 1211420, 1246032, 1282680, 1384480, 1453704, 1539216, 1557540, 1635417, 1710240, 1817130, 1869048, 1924020, 1938272, 2076720, 2180556, 2198880, 2336310, 2422840, 2492064, 2565360, 2725695, 2907408, 3078432, 3115080, 3270834, 3634260, 3738096, 3848040, 4153440, 4361112, 4672620, 4845680, 5130720, 5451390, 5814816, 6230160, 6541668, 7268520, 7476192, 7696080, 8177085, 8722224, 9345240, 9691360, 10902780, 12460320, 13083336, 14537040, 15392160, 16354170, 17444448, 18690480, 21805560, 26166672, 29074080, 32708340, 37380960, 43611120, 52333344, 65416680, 87222240, 130833360, 261666720]

約数ペア:

[(1, 261666720), (2, 130833360), (3, 87222240), (4, 65416680), (5, 52333344), (6, 43611120), (7, 37380960), (8, 32708340), (9, 29074080), (10, 26166672), (12, 21805560), (14, 18690480), (15, 17444448), (16, 16354170), (17, 15392160), (18, 14537040), (20, 13083336), (21, 12460320), (24, 10902780), (27, 9691360), (28, 9345240), (30, 8722224), (32, 8177085), (34, 7696080), (35, 7476192), (36, 7268520), (40, 6541668), (42, 6230160), (45, 5814816), (48, 5451390), (51, 5130720), (54, 4845680), (56, 4672620), (60, 4361112), (63, 4153440), (68, 3848040), (70, 3738096), (72, 3634260), (80, 3270834), (84, 3115080), (85, 3078432), (90, 2907408), (96, 2725695), (102, 2565360), (105, 2492064), (108, 2422840), (112, 2336310), (119, 2198880), (120, 2180556), (126, 2076720), (135, 1938272), (136, 1924020), (140, 1869048), (144, 1817130), (153, 1710240), (160, 1635417), (168, 1557540), (170, 1539216), (180, 1453704), (189, 1384480), (204, 1282680), (210, 1246032), (216, 1211420), (224, 1168155), (238, 1099440), (240, 1090278), (252, 1038360), (255, 1026144), (270, 969136), (272, 962010), (280, 934524), (288, 908565), (306, 855120), (315, 830688), (336, 778770), (340, 769608), (357, 732960), (360, 726852), (378, 692240), (408, 641340), (420, 623016), (432, 605710), (459, 570080), (476, 549720), (480, 545139), (504, 519180), (509, 514080), (510, 513072), (540, 484568), (544, 481005), (560, 467262), (595, 439776), (612, 427560), (630, 415344), (672, 389385), (680, 384804), (714, 366480), (720, 363426), (756, 346120), (765, 342048), (816, 320670), (840, 311508), (864, 302855), (918, 285040), (945, 276896), (952, 274860), (1008, 259590), (1018, 257040), (1020, 256536), (1071, 244320), (1080, 242284), (1120, 233631), (1190, 219888), (1224, 213780), (1260, 207672), (1360, 192402), (1428, 183240), (1440, 181713), (1512, 173060), (1527, 171360), (1530, 171024), (1632, 160335), (1680, 155754), (1785, 146592), (1836, 142520), (1890, 138448), (1904, 137430), (2016, 129795), (2036, 128520), (2040, 128268), (2142, 122160), (2160, 121142), (2295, 114016), (2380, 109944), (2448, 106890), (2520, 103836), (2545, 102816), (2720, 96201), (2856, 91620), (3024, 86530), (3054, 85680), (3060, 85512), (3213, 81440), (3360, 77877), (3563, 73440), (3570, 73296), (3672, 71260), (3780, 69224), (3808, 68715), (4072, 64260), (4080, 64134), (4284, 61080), (4320, 60571), (4581, 57120), (4590, 57008), (4760, 54972), (4896, 53445), (5040, 51918), (5090, 51408), (5355, 48864), (5712, 45810), (6048, 43265), (6108, 42840), (6120, 42756), (6426, 40720), (7126, 36720), (7140, 36648), (7344, 35630), (7560, 34612), (7635, 34272), (8144, 32130), (8160, 32067), (8568, 30540), (8653, 30240), (9162, 28560), (9180, 28504), (9520, 27486), (10080, 25959), (10180, 25704), (10689, 24480), (10710, 24432), (11424, 22905), (12216, 21420), (12240, 21378), (12852, 20360), (13743, 19040), (14252, 18360), (14280, 18324), (14688, 17815), (15120, 17306), (15270, 17136), (16065, 16288)]