638457120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 384

約数和(自身を含む): 2618542080

約数和(自身を除く): 1980084960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 108, 112, 120, 126, 129, 135, 140, 144, 160, 168, 172, 180, 189, 210, 215, 216, 224, 240, 252, 258, 270, 280, 288, 301, 315, 336, 344, 360, 378, 387, 420, 430, 432, 480, 491, 504, 516, 540, 560, 602, 630, 645, 672, 688, 720, 756, 774, 840, 860, 864, 903, 945, 982, 1008, 1032, 1080, 1120, 1161, 1204, 1260, 1290, 1376, 1440, 1473, 1505, 1512, 1548, 1680, 1720, 1806, 1890, 1935, 1964, 2016, 2064, 2160, 2322, 2408, 2455, 2520, 2580, 2709, 2946, 3010, 3024, 3096, 3360, 3437, 3440, 3612, 3780, 3870, 3928, 4128, 4320, 4419, 4515, 4644, 4816, 4910, 5040, 5160, 5418, 5805, 5892, 6020, 6048, 6192, 6874, 6880, 7224, 7365, 7560, 7740, 7856, 8127, 8838, 9030, 9288, 9632, 9820, 10080, 10311, 10320, 10836, 11610, 11784, 12040, 12384, 13257, 13545, 13748, 14448, 14730, 15120, 15480, 15712, 16254, 17185, 17676, 18060, 18576, 19640, 20622, 20640, 21113, 21672, 22095, 23220, 23568, 24080, 26514, 27090, 27496, 28896, 29460, 30240, 30933, 30960, 32508, 34370, 35352, 36120, 37152, 39280, 40635, 41244, 42226, 43344, 44190, 46440, 47136, 48160, 51555, 53028, 54180, 54992, 58920, 61866, 61920, 63339, 65016, 66285, 68740, 70704, 72240, 78560, 81270, 82488, 84452, 86688, 88380, 92799, 92880, 103110, 105565, 106056, 108360, 109984, 117840, 123732, 126678, 130032, 132570, 137480, 141408, 144480, 147791, 154665, 162540, 164976, 168904, 176760, 185598, 185760, 190017, 206220, 211130, 212112, 216720, 235680, 247464, 253356, 260064, 265140, 274960, 295582, 309330, 316695, 325080, 329952, 337808, 353520, 371196, 380034, 412440, 422260, 424224, 433440, 443373, 463995, 494928, 506712, 530280, 549920, 570051, 591164, 618660, 633390, 650160, 675616, 707040, 738955, 742392, 760068, 824880, 844520, 886746, 927990, 950085, 989856, 1013424, 1060560, 1140102, 1182328, 1237320, 1266780, 1300320, 1330119, 1477910, 1484784, 1520136, 1649760, 1689040, 1773492, 1855980, 1900170, 2026848, 2121120, 2216865, 2280204, 2364656, 2474640, 2533560, 2660238, 2850255, 2955820, 2969568, 3040272, 3378080, 3546984, 3711960, 3800340, 3990357, 4433730, 4560408, 4729312, 4949280, 5067120, 5320476, 5700510, 5911640, 6080544, 6650595, 7093968, 7423920, 7600680, 7980714, 8867460, 9120816, 10134240, 10640952, 11401020, 11823280, 13301190, 14187936, 14847840, 15201360, 15961428, 17734920, 18241632, 19951785, 21281904, 22802040, 23646560, 26602380, 30402720, 31922856, 35469840, 39903570, 42563808, 45604080, 53204760, 63845712, 70939680, 79807140, 91208160, 106409520, 127691424, 159614280, 212819040, 319228560, 638457120]

約数ペア:

[(1, 638457120), (2, 319228560), (3, 212819040), (4, 159614280), (5, 127691424), (6, 106409520), (7, 91208160), (8, 79807140), (9, 70939680), (10, 63845712), (12, 53204760), (14, 45604080), (15, 42563808), (16, 39903570), (18, 35469840), (20, 31922856), (21, 30402720), (24, 26602380), (27, 23646560), (28, 22802040), (30, 21281904), (32, 19951785), (35, 18241632), (36, 17734920), (40, 15961428), (42, 15201360), (43, 14847840), (45, 14187936), (48, 13301190), (54, 11823280), (56, 11401020), (60, 10640952), (63, 10134240), (70, 9120816), (72, 8867460), (80, 7980714), (84, 7600680), (86, 7423920), (90, 7093968), (96, 6650595), (105, 6080544), (108, 5911640), (112, 5700510), (120, 5320476), (126, 5067120), (129, 4949280), (135, 4729312), (140, 4560408), (144, 4433730), (160, 3990357), (168, 3800340), (172, 3711960), (180, 3546984), (189, 3378080), (210, 3040272), (215, 2969568), (216, 2955820), (224, 2850255), (240, 2660238), (252, 2533560), (258, 2474640), (270, 2364656), (280, 2280204), (288, 2216865), (301, 2121120), (315, 2026848), (336, 1900170), (344, 1855980), (360, 1773492), (378, 1689040), (387, 1649760), (420, 1520136), (430, 1484784), (432, 1477910), (480, 1330119), (491, 1300320), (504, 1266780), (516, 1237320), (540, 1182328), (560, 1140102), (602, 1060560), (630, 1013424), (645, 989856), (672, 950085), (688, 927990), (720, 886746), (756, 844520), (774, 824880), (840, 760068), (860, 742392), (864, 738955), (903, 707040), (945, 675616), (982, 650160), (1008, 633390), (1032, 618660), (1080, 591164), (1120, 570051), (1161, 549920), (1204, 530280), (1260, 506712), (1290, 494928), (1376, 463995), (1440, 443373), (1473, 433440), (1505, 424224), (1512, 422260), (1548, 412440), (1680, 380034), (1720, 371196), (1806, 353520), (1890, 337808), (1935, 329952), (1964, 325080), (2016, 316695), (2064, 309330), (2160, 295582), (2322, 274960), (2408, 265140), (2455, 260064), (2520, 253356), (2580, 247464), (2709, 235680), (2946, 216720), (3010, 212112), (3024, 211130), (3096, 206220), (3360, 190017), (3437, 185760), (3440, 185598), (3612, 176760), (3780, 168904), (3870, 164976), (3928, 162540), (4128, 154665), (4320, 147791), (4419, 144480), (4515, 141408), (4644, 137480), (4816, 132570), (4910, 130032), (5040, 126678), (5160, 123732), (5418, 117840), (5805, 109984), (5892, 108360), (6020, 106056), (6048, 105565), (6192, 103110), (6874, 92880), (6880, 92799), (7224, 88380), (7365, 86688), (7560, 84452), (7740, 82488), (7856, 81270), (8127, 78560), (8838, 72240), (9030, 70704), (9288, 68740), (9632, 66285), (9820, 65016), (10080, 63339), (10311, 61920), (10320, 61866), (10836, 58920), (11610, 54992), (11784, 54180), (12040, 53028), (12384, 51555), (13257, 48160), (13545, 47136), (13748, 46440), (14448, 44190), (14730, 43344), (15120, 42226), (15480, 41244), (15712, 40635), (16254, 39280), (17185, 37152), (17676, 36120), (18060, 35352), (18576, 34370), (19640, 32508), (20622, 30960), (20640, 30933), (21113, 30240), (21672, 29460), (22095, 28896), (23220, 27496), (23568, 27090), (24080, 26514)]