257382720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:798

約数の個数: 336

約数和(自身を含む): 1072700928

約数和(自身を除く): 815318208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 320, 336, 340, 357, 360, 408, 420, 448, 476, 480, 504, 510, 544, 560, 576, 595, 612, 630, 672, 680, 714, 720, 751, 765, 816, 840, 952, 960, 1008, 1020, 1071, 1088, 1120, 1190, 1224, 1260, 1344, 1360, 1428, 1440, 1502, 1530, 1632, 1680, 1785, 1904, 2016, 2040, 2142, 2240, 2253, 2380, 2448, 2520, 2720, 2856, 2880, 3004, 3060, 3264, 3360, 3570, 3755, 3808, 4032, 4080, 4284, 4506, 4760, 4896, 5040, 5257, 5355, 5440, 5712, 6008, 6120, 6720, 6759, 7140, 7510, 7616, 8160, 8568, 9012, 9520, 9792, 10080, 10514, 10710, 11265, 11424, 12016, 12240, 12767, 13518, 14280, 15020, 15771, 16320, 17136, 18024, 19040, 20160, 21028, 21420, 22530, 22848, 24032, 24480, 25534, 26285, 27036, 28560, 30040, 31542, 33795, 34272, 36048, 38080, 38301, 42056, 42840, 45060, 47313, 48064, 48960, 51068, 52570, 54072, 57120, 60080, 63084, 63835, 67590, 68544, 72096, 76602, 78855, 84112, 85680, 89369, 90120, 94626, 102136, 105140, 108144, 114240, 114903, 120160, 126168, 127670, 135180, 144192, 153204, 157710, 168224, 171360, 178738, 180240, 189252, 191505, 204272, 210280, 216288, 229806, 236565, 240320, 252336, 255340, 268107, 270360, 306408, 315420, 336448, 342720, 357476, 360480, 378504, 383010, 408544, 420560, 432576, 446845, 459612, 473130, 504672, 510680, 536214, 540720, 574515, 612816, 630840, 714952, 720960, 757008, 766020, 804321, 817088, 841120, 893690, 919224, 946260, 1009344, 1021360, 1072428, 1081440, 1149030, 1225632, 1261680, 1340535, 1429904, 1514016, 1532040, 1608642, 1682240, 1787380, 1838448, 1892520, 2042720, 2144856, 2162880, 2298060, 2451264, 2523360, 2681070, 2859808, 3028032, 3064080, 3217284, 3574760, 3676896, 3785040, 4021605, 4085440, 4289712, 4596120, 5046720, 5362140, 5719616, 6128160, 6434568, 7149520, 7353792, 7570080, 8043210, 8579424, 9192240, 10724280, 12256320, 12869136, 14299040, 15140160, 16086420, 17158848, 18384480, 21448560, 25738272, 28598080, 32172840, 36768960, 42897120, 51476544, 64345680, 85794240, 128691360, 257382720]

約数ペア:

[(1, 257382720), (2, 128691360), (3, 85794240), (4, 64345680), (5, 51476544), (6, 42897120), (7, 36768960), (8, 32172840), (9, 28598080), (10, 25738272), (12, 21448560), (14, 18384480), (15, 17158848), (16, 16086420), (17, 15140160), (18, 14299040), (20, 12869136), (21, 12256320), (24, 10724280), (28, 9192240), (30, 8579424), (32, 8043210), (34, 7570080), (35, 7353792), (36, 7149520), (40, 6434568), (42, 6128160), (45, 5719616), (48, 5362140), (51, 5046720), (56, 4596120), (60, 4289712), (63, 4085440), (64, 4021605), (68, 3785040), (70, 3676896), (72, 3574760), (80, 3217284), (84, 3064080), (85, 3028032), (90, 2859808), (96, 2681070), (102, 2523360), (105, 2451264), (112, 2298060), (119, 2162880), (120, 2144856), (126, 2042720), (136, 1892520), (140, 1838448), (144, 1787380), (153, 1682240), (160, 1608642), (168, 1532040), (170, 1514016), (180, 1429904), (192, 1340535), (204, 1261680), (210, 1225632), (224, 1149030), (238, 1081440), (240, 1072428), (252, 1021360), (255, 1009344), (272, 946260), (280, 919224), (288, 893690), (306, 841120), (315, 817088), (320, 804321), (336, 766020), (340, 757008), (357, 720960), (360, 714952), (408, 630840), (420, 612816), (448, 574515), (476, 540720), (480, 536214), (504, 510680), (510, 504672), (544, 473130), (560, 459612), (576, 446845), (595, 432576), (612, 420560), (630, 408544), (672, 383010), (680, 378504), (714, 360480), (720, 357476), (751, 342720), (765, 336448), (816, 315420), (840, 306408), (952, 270360), (960, 268107), (1008, 255340), (1020, 252336), (1071, 240320), (1088, 236565), (1120, 229806), (1190, 216288), (1224, 210280), (1260, 204272), (1344, 191505), (1360, 189252), (1428, 180240), (1440, 178738), (1502, 171360), (1530, 168224), (1632, 157710), (1680, 153204), (1785, 144192), (1904, 135180), (2016, 127670), (2040, 126168), (2142, 120160), (2240, 114903), (2253, 114240), (2380, 108144), (2448, 105140), (2520, 102136), (2720, 94626), (2856, 90120), (2880, 89369), (3004, 85680), (3060, 84112), (3264, 78855), (3360, 76602), (3570, 72096), (3755, 68544), (3808, 67590), (4032, 63835), (4080, 63084), (4284, 60080), (4506, 57120), (4760, 54072), (4896, 52570), (5040, 51068), (5257, 48960), (5355, 48064), (5440, 47313), (5712, 45060), (6008, 42840), (6120, 42056), (6720, 38301), (6759, 38080), (7140, 36048), (7510, 34272), (7616, 33795), (8160, 31542), (8568, 30040), (9012, 28560), (9520, 27036), (9792, 26285), (10080, 25534), (10514, 24480), (10710, 24032), (11265, 22848), (11424, 22530), (12016, 21420), (12240, 21028), (12767, 20160), (13518, 19040), (14280, 18024), (15020, 17136), (15771, 16320)]