312389280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1$

素因数の和:1868

約数の個数: 288

約数和(自身を含む): 1290691584

約数和(自身を除く): 978302304

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, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 336, 340, 357, 360, 408, 420, 476, 480, 504, 510, 544, 560, 595, 612, 630, 672, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1360, 1428, 1440, 1530, 1632, 1680, 1785, 1823, 1904, 2016, 2040, 2142, 2380, 2448, 2520, 2720, 2856, 3060, 3360, 3570, 3646, 3808, 4080, 4284, 4760, 4896, 5040, 5355, 5469, 5712, 6120, 7140, 7292, 8160, 8568, 9115, 9520, 10080, 10710, 10938, 11424, 12240, 12761, 14280, 14584, 16407, 17136, 18230, 19040, 21420, 21876, 24480, 25522, 27345, 28560, 29168, 30991, 32814, 34272, 36460, 38283, 42840, 43752, 51044, 54690, 57120, 58336, 61982, 63805, 65628, 72920, 76566, 82035, 85680, 87504, 92973, 102088, 109380, 114849, 123964, 127610, 131256, 145840, 153132, 154955, 164070, 171360, 175008, 185946, 191415, 204176, 216937, 218760, 229698, 247928, 255220, 262512, 278919, 291680, 306264, 309910, 328140, 371892, 382830, 408352, 433874, 437520, 459396, 464865, 495856, 510440, 525024, 557838, 574245, 612528, 619820, 650811, 656280, 743784, 765660, 867748, 875040, 918792, 929730, 991712, 1020880, 1084685, 1115676, 1148490, 1225056, 1239640, 1301622, 1312560, 1394595, 1487568, 1531320, 1735496, 1837584, 1859460, 1952433, 2041760, 2169370, 2231352, 2296980, 2479280, 2603244, 2625120, 2789190, 2975136, 3062640, 3254055, 3470992, 3675168, 3718920, 3904866, 4338740, 4462704, 4593960, 4958560, 5206488, 5578380, 6125280, 6508110, 6941984, 7437840, 7809732, 8677480, 8925408, 9187920, 9762165, 10412976, 11156760, 13016220, 14875680, 15619464, 17354960, 18375840, 19524330, 20825952, 22313520, 26032440, 31238928, 34709920, 39048660, 44627040, 52064880, 62477856, 78097320, 104129760, 156194640, 312389280]

約数ペア:

[(1, 312389280), (2, 156194640), (3, 104129760), (4, 78097320), (5, 62477856), (6, 52064880), (7, 44627040), (8, 39048660), (9, 34709920), (10, 31238928), (12, 26032440), (14, 22313520), (15, 20825952), (16, 19524330), (17, 18375840), (18, 17354960), (20, 15619464), (21, 14875680), (24, 13016220), (28, 11156760), (30, 10412976), (32, 9762165), (34, 9187920), (35, 8925408), (36, 8677480), (40, 7809732), (42, 7437840), (45, 6941984), (48, 6508110), (51, 6125280), (56, 5578380), (60, 5206488), (63, 4958560), (68, 4593960), (70, 4462704), (72, 4338740), (80, 3904866), (84, 3718920), (85, 3675168), (90, 3470992), (96, 3254055), (102, 3062640), (105, 2975136), (112, 2789190), (119, 2625120), (120, 2603244), (126, 2479280), (136, 2296980), (140, 2231352), (144, 2169370), (153, 2041760), (160, 1952433), (168, 1859460), (170, 1837584), (180, 1735496), (204, 1531320), (210, 1487568), (224, 1394595), (238, 1312560), (240, 1301622), (252, 1239640), (255, 1225056), (272, 1148490), (280, 1115676), (288, 1084685), (306, 1020880), (315, 991712), (336, 929730), (340, 918792), (357, 875040), (360, 867748), (408, 765660), (420, 743784), (476, 656280), (480, 650811), (504, 619820), (510, 612528), (544, 574245), (560, 557838), (595, 525024), (612, 510440), (630, 495856), (672, 464865), (680, 459396), (714, 437520), (720, 433874), (765, 408352), (816, 382830), (840, 371892), (952, 328140), (1008, 309910), (1020, 306264), (1071, 291680), (1120, 278919), (1190, 262512), (1224, 255220), (1260, 247928), (1360, 229698), (1428, 218760), (1440, 216937), (1530, 204176), (1632, 191415), (1680, 185946), (1785, 175008), (1823, 171360), (1904, 164070), (2016, 154955), (2040, 153132), (2142, 145840), (2380, 131256), (2448, 127610), (2520, 123964), (2720, 114849), (2856, 109380), (3060, 102088), (3360, 92973), (3570, 87504), (3646, 85680), (3808, 82035), (4080, 76566), (4284, 72920), (4760, 65628), (4896, 63805), (5040, 61982), (5355, 58336), (5469, 57120), (5712, 54690), (6120, 51044), (7140, 43752), (7292, 42840), (8160, 38283), (8568, 36460), (9115, 34272), (9520, 32814), (10080, 30991), (10710, 29168), (10938, 28560), (11424, 27345), (12240, 25522), (12761, 24480), (14280, 21876), (14584, 21420), (16407, 19040), (17136, 18230)]