289778720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 874976256

約数和(自身を除く): 585197536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 160, 172, 176, 215, 220, 224, 280, 301, 308, 344, 352, 385, 430, 440, 473, 547, 560, 602, 616, 688, 770, 860, 880, 946, 1094, 1120, 1204, 1232, 1376, 1505, 1540, 1720, 1760, 1892, 2188, 2365, 2408, 2464, 2735, 3010, 3080, 3311, 3440, 3784, 3829, 4376, 4730, 4816, 5470, 6017, 6020, 6160, 6622, 6880, 7568, 7658, 8752, 9460, 9632, 10940, 12034, 12040, 12320, 13244, 15136, 15316, 16555, 17504, 18920, 19145, 21880, 23521, 24068, 24080, 26488, 30085, 30632, 33110, 37840, 38290, 42119, 43760, 47042, 48136, 48160, 52976, 60170, 61264, 66220, 75680, 76580, 84238, 87520, 94084, 96272, 105952, 117605, 120340, 122528, 132440, 153160, 164647, 168476, 188168, 192544, 210595, 235210, 240680, 258731, 264880, 306320, 329294, 336952, 376336, 421190, 470420, 481360, 517462, 529760, 612640, 658588, 673904, 752672, 823235, 842380, 940840, 962720, 1034924, 1293655, 1317176, 1347808, 1646470, 1684760, 1811117, 1881680, 2069848, 2587310, 2634352, 3292940, 3369520, 3622234, 3763360, 4139696, 5174620, 5268704, 6585880, 6739040, 7244468, 8279392, 9055585, 10349240, 13171760, 14488936, 18111170, 20698480, 26343520, 28977872, 36222340, 41396960, 57955744, 72444680, 144889360, 289778720]

約数ペア:

[(1, 289778720), (2, 144889360), (4, 72444680), (5, 57955744), (7, 41396960), (8, 36222340), (10, 28977872), (11, 26343520), (14, 20698480), (16, 18111170), (20, 14488936), (22, 13171760), (28, 10349240), (32, 9055585), (35, 8279392), (40, 7244468), (43, 6739040), (44, 6585880), (55, 5268704), (56, 5174620), (70, 4139696), (77, 3763360), (80, 3622234), (86, 3369520), (88, 3292940), (110, 2634352), (112, 2587310), (140, 2069848), (154, 1881680), (160, 1811117), (172, 1684760), (176, 1646470), (215, 1347808), (220, 1317176), (224, 1293655), (280, 1034924), (301, 962720), (308, 940840), (344, 842380), (352, 823235), (385, 752672), (430, 673904), (440, 658588), (473, 612640), (547, 529760), (560, 517462), (602, 481360), (616, 470420), (688, 421190), (770, 376336), (860, 336952), (880, 329294), (946, 306320), (1094, 264880), (1120, 258731), (1204, 240680), (1232, 235210), (1376, 210595), (1505, 192544), (1540, 188168), (1720, 168476), (1760, 164647), (1892, 153160), (2188, 132440), (2365, 122528), (2408, 120340), (2464, 117605), (2735, 105952), (3010, 96272), (3080, 94084), (3311, 87520), (3440, 84238), (3784, 76580), (3829, 75680), (4376, 66220), (4730, 61264), (4816, 60170), (5470, 52976), (6017, 48160), (6020, 48136), (6160, 47042), (6622, 43760), (6880, 42119), (7568, 38290), (7658, 37840), (8752, 33110), (9460, 30632), (9632, 30085), (10940, 26488), (12034, 24080), (12040, 24068), (12320, 23521), (13244, 21880), (15136, 19145), (15316, 18920), (16555, 17504)]