257674560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1921

約数の個数: 224

約数和(自身を含む): 961656192

約数和(自身を除く): 703981632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 192, 195, 208, 220, 240, 260, 264, 286, 312, 320, 330, 352, 390, 416, 429, 440, 480, 520, 528, 572, 624, 660, 704, 715, 780, 832, 858, 880, 960, 1040, 1056, 1144, 1248, 1320, 1430, 1560, 1716, 1760, 1877, 2080, 2112, 2145, 2288, 2496, 2640, 2860, 3120, 3432, 3520, 3754, 4160, 4290, 4576, 5280, 5631, 5720, 6240, 6864, 7508, 8580, 9152, 9385, 10560, 11262, 11440, 12480, 13728, 15016, 17160, 18770, 20647, 22524, 22880, 24401, 27456, 28155, 30032, 34320, 37540, 41294, 45048, 45760, 48802, 56310, 60064, 61941, 68640, 73203, 75080, 82588, 90096, 97604, 103235, 112620, 120128, 122005, 123882, 137280, 146406, 150160, 165176, 180192, 195208, 206470, 225240, 244010, 247764, 268411, 292812, 300320, 309705, 330352, 360384, 366015, 390416, 412940, 450480, 488020, 495528, 536822, 585624, 600640, 619410, 660704, 732030, 780832, 805233, 825880, 900960, 976040, 991056, 1073644, 1171248, 1238820, 1321408, 1342055, 1464060, 1561664, 1610466, 1651760, 1801920, 1952080, 1982112, 2147288, 2342496, 2477640, 2684110, 2928120, 3220932, 3303520, 3904160, 3964224, 4026165, 4294576, 4684992, 4955280, 5368220, 5856240, 6441864, 6607040, 7808320, 8052330, 8589152, 9910560, 10736440, 11712480, 12883728, 16104660, 17178304, 19821120, 21472880, 23424960, 25767456, 32209320, 42945760, 51534912, 64418640, 85891520, 128837280, 257674560]

約数ペア:

[(1, 257674560), (2, 128837280), (3, 85891520), (4, 64418640), (5, 51534912), (6, 42945760), (8, 32209320), (10, 25767456), (11, 23424960), (12, 21472880), (13, 19821120), (15, 17178304), (16, 16104660), (20, 12883728), (22, 11712480), (24, 10736440), (26, 9910560), (30, 8589152), (32, 8052330), (33, 7808320), (39, 6607040), (40, 6441864), (44, 5856240), (48, 5368220), (52, 4955280), (55, 4684992), (60, 4294576), (64, 4026165), (65, 3964224), (66, 3904160), (78, 3303520), (80, 3220932), (88, 2928120), (96, 2684110), (104, 2477640), (110, 2342496), (120, 2147288), (130, 1982112), (132, 1952080), (143, 1801920), (156, 1651760), (160, 1610466), (165, 1561664), (176, 1464060), (192, 1342055), (195, 1321408), (208, 1238820), (220, 1171248), (240, 1073644), (260, 991056), (264, 976040), (286, 900960), (312, 825880), (320, 805233), (330, 780832), (352, 732030), (390, 660704), (416, 619410), (429, 600640), (440, 585624), (480, 536822), (520, 495528), (528, 488020), (572, 450480), (624, 412940), (660, 390416), (704, 366015), (715, 360384), (780, 330352), (832, 309705), (858, 300320), (880, 292812), (960, 268411), (1040, 247764), (1056, 244010), (1144, 225240), (1248, 206470), (1320, 195208), (1430, 180192), (1560, 165176), (1716, 150160), (1760, 146406), (1877, 137280), (2080, 123882), (2112, 122005), (2145, 120128), (2288, 112620), (2496, 103235), (2640, 97604), (2860, 90096), (3120, 82588), (3432, 75080), (3520, 73203), (3754, 68640), (4160, 61941), (4290, 60064), (4576, 56310), (5280, 48802), (5631, 45760), (5720, 45048), (6240, 41294), (6864, 37540), (7508, 34320), (8580, 30032), (9152, 28155), (9385, 27456), (10560, 24401), (11262, 22880), (11440, 22524), (12480, 20647), (13728, 18770), (15016, 17160)]