249938640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 240

約数和(自身を含む): 970759296

約数和(自身を除く): 720820656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 101, 105, 112, 120, 126, 140, 144, 168, 180, 202, 210, 240, 252, 280, 303, 315, 336, 360, 404, 420, 491, 504, 505, 560, 606, 630, 707, 720, 808, 840, 909, 982, 1008, 1010, 1212, 1260, 1414, 1473, 1515, 1616, 1680, 1818, 1964, 2020, 2121, 2424, 2455, 2520, 2828, 2946, 3030, 3437, 3535, 3636, 3928, 4040, 4242, 4419, 4545, 4848, 4910, 5040, 5656, 5892, 6060, 6363, 6874, 7070, 7272, 7365, 7856, 8080, 8484, 8838, 9090, 9820, 10311, 10605, 11312, 11784, 12120, 12726, 13748, 14140, 14544, 14730, 16968, 17185, 17676, 18180, 19640, 20622, 21210, 22095, 23568, 24240, 25452, 27496, 28280, 29460, 30933, 31815, 33936, 34370, 35352, 36360, 39280, 41244, 42420, 44190, 49591, 50904, 51555, 54992, 56560, 58920, 61866, 63630, 68740, 70704, 72720, 82488, 84840, 88380, 99182, 101808, 103110, 117840, 123732, 127260, 137480, 148773, 154665, 164976, 169680, 176760, 198364, 206220, 247464, 247955, 254520, 274960, 297546, 309330, 347137, 353520, 396728, 412440, 446319, 494928, 495910, 509040, 595092, 618660, 694274, 743865, 793456, 824880, 892638, 991820, 1041411, 1190184, 1237320, 1388548, 1487730, 1735685, 1785276, 1983640, 2082822, 2231595, 2380368, 2474640, 2777096, 2975460, 3124233, 3471370, 3570552, 3967280, 4165644, 4463190, 5207055, 5554192, 5950920, 6248466, 6942740, 7141104, 8331288, 8926380, 10414110, 11901840, 12496932, 13885480, 15621165, 16662576, 17852760, 20828220, 24993864, 27770960, 31242330, 35705520, 41656440, 49987728, 62484660, 83312880, 124969320, 249938640]

約数ペア:

[(1, 249938640), (2, 124969320), (3, 83312880), (4, 62484660), (5, 49987728), (6, 41656440), (7, 35705520), (8, 31242330), (9, 27770960), (10, 24993864), (12, 20828220), (14, 17852760), (15, 16662576), (16, 15621165), (18, 13885480), (20, 12496932), (21, 11901840), (24, 10414110), (28, 8926380), (30, 8331288), (35, 7141104), (36, 6942740), (40, 6248466), (42, 5950920), (45, 5554192), (48, 5207055), (56, 4463190), (60, 4165644), (63, 3967280), (70, 3570552), (72, 3471370), (80, 3124233), (84, 2975460), (90, 2777096), (101, 2474640), (105, 2380368), (112, 2231595), (120, 2082822), (126, 1983640), (140, 1785276), (144, 1735685), (168, 1487730), (180, 1388548), (202, 1237320), (210, 1190184), (240, 1041411), (252, 991820), (280, 892638), (303, 824880), (315, 793456), (336, 743865), (360, 694274), (404, 618660), (420, 595092), (491, 509040), (504, 495910), (505, 494928), (560, 446319), (606, 412440), (630, 396728), (707, 353520), (720, 347137), (808, 309330), (840, 297546), (909, 274960), (982, 254520), (1008, 247955), (1010, 247464), (1212, 206220), (1260, 198364), (1414, 176760), (1473, 169680), (1515, 164976), (1616, 154665), (1680, 148773), (1818, 137480), (1964, 127260), (2020, 123732), (2121, 117840), (2424, 103110), (2455, 101808), (2520, 99182), (2828, 88380), (2946, 84840), (3030, 82488), (3437, 72720), (3535, 70704), (3636, 68740), (3928, 63630), (4040, 61866), (4242, 58920), (4419, 56560), (4545, 54992), (4848, 51555), (4910, 50904), (5040, 49591), (5656, 44190), (5892, 42420), (6060, 41244), (6363, 39280), (6874, 36360), (7070, 35352), (7272, 34370), (7365, 33936), (7856, 31815), (8080, 30933), (8484, 29460), (8838, 28280), (9090, 27496), (9820, 25452), (10311, 24240), (10605, 23568), (11312, 22095), (11784, 21210), (12120, 20622), (12726, 19640), (13748, 18180), (14140, 17676), (14544, 17185), (14730, 16968)]