640906560

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{10597}}^1$

素因数の和:10630

約数の個数: 224

約数和(自身を含む): 2584216320

約数和(自身を除く): 1943309760

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, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 10597, 12096, 15120, 20160, 21194, 30240, 31791, 42388, 52985, 60480, 63582, 74179, 84776, 95373, 105970, 127164, 148358, 158955, 169552, 190746, 211940, 222537, 254328, 286119, 296716, 317910, 339104, 370895, 381492, 423880, 445074, 476865, 508656, 572238, 593432, 635820, 667611, 678208, 741790, 762984, 847760, 890148, 953730, 1017312, 1112685, 1144476, 1186864, 1271640, 1335222, 1430595, 1483580, 1525968, 1695520, 1780296, 1907460, 2002833, 2034624, 2225370, 2288952, 2373728, 2543280, 2670444, 2861190, 2967160, 3051936, 3338055, 3391040, 3560592, 3814920, 4005666, 4450740, 4577904, 4747456, 5086560, 5340888, 5722380, 5934320, 6103872, 6676110, 7121184, 7629840, 8011332, 8901480, 9155808, 10014165, 10173120, 10681776, 11444760, 11868640, 13352220, 14242368, 15259680, 16022664, 17802960, 18311616, 20028330, 21363552, 22889520, 23737280, 26704440, 30519360, 32045328, 35605920, 40056660, 42727104, 45779040, 53408880, 64090656, 71211840, 80113320, 91558080, 106817760, 128181312, 160226640, 213635520, 320453280, 640906560]

約数ペア:

[(1, 640906560), (2, 320453280), (3, 213635520), (4, 160226640), (5, 128181312), (6, 106817760), (7, 91558080), (8, 80113320), (9, 71211840), (10, 64090656), (12, 53408880), (14, 45779040), (15, 42727104), (16, 40056660), (18, 35605920), (20, 32045328), (21, 30519360), (24, 26704440), (27, 23737280), (28, 22889520), (30, 21363552), (32, 20028330), (35, 18311616), (36, 17802960), (40, 16022664), (42, 15259680), (45, 14242368), (48, 13352220), (54, 11868640), (56, 11444760), (60, 10681776), (63, 10173120), (64, 10014165), (70, 9155808), (72, 8901480), (80, 8011332), (84, 7629840), (90, 7121184), (96, 6676110), (105, 6103872), (108, 5934320), (112, 5722380), (120, 5340888), (126, 5086560), (135, 4747456), (140, 4577904), (144, 4450740), (160, 4005666), (168, 3814920), (180, 3560592), (189, 3391040), (192, 3338055), (210, 3051936), (216, 2967160), (224, 2861190), (240, 2670444), (252, 2543280), (270, 2373728), (280, 2288952), (288, 2225370), (315, 2034624), (320, 2002833), (336, 1907460), (360, 1780296), (378, 1695520), (420, 1525968), (432, 1483580), (448, 1430595), (480, 1335222), (504, 1271640), (540, 1186864), (560, 1144476), (576, 1112685), (630, 1017312), (672, 953730), (720, 890148), (756, 847760), (840, 762984), (864, 741790), (945, 678208), (960, 667611), (1008, 635820), (1080, 593432), (1120, 572238), (1260, 508656), (1344, 476865), (1440, 445074), (1512, 423880), (1680, 381492), (1728, 370895), (1890, 339104), (2016, 317910), (2160, 296716), (2240, 286119), (2520, 254328), (2880, 222537), (3024, 211940), (3360, 190746), (3780, 169552), (4032, 158955), (4320, 148358), (5040, 127164), (6048, 105970), (6720, 95373), (7560, 84776), (8640, 74179), (10080, 63582), (10597, 60480), (12096, 52985), (15120, 42388), (20160, 31791), (21194, 30240)]