647045280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21397}}^1$

素因数の和:21428

約数の個数: 192

約数和(自身を含む): 2588302080

約数和(自身を除く): 1941256800

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, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21397, 30240, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 192573, 213970, 256764, 299558, 320955, 342352, 385146, 427940, 449337, 513528, 577719, 599116, 641910, 684704, 748895, 770292, 855880, 898674, 962865, 1027056, 1155438, 1198232, 1283820, 1348011, 1497790, 1540584, 1711760, 1797348, 1925730, 2054112, 2246685, 2310876, 2396464, 2567640, 2696022, 2888595, 2995580, 3081168, 3423520, 3594696, 3851460, 4044033, 4493370, 4621752, 4792928, 5135280, 5392044, 5777190, 5991160, 6162336, 6740055, 7189392, 7702920, 8088066, 8986740, 9243504, 10270560, 10784088, 11554380, 11982320, 13480110, 14378784, 15405840, 16176132, 17973480, 18487008, 20220165, 21568176, 23108760, 23964640, 26960220, 30811680, 32352264, 35946960, 40440330, 43136352, 46217520, 53920440, 64704528, 71893920, 80880660, 92435040, 107840880, 129409056, 161761320, 215681760, 323522640, 647045280]

約数ペア:

[(1, 647045280), (2, 323522640), (3, 215681760), (4, 161761320), (5, 129409056), (6, 107840880), (7, 92435040), (8, 80880660), (9, 71893920), (10, 64704528), (12, 53920440), (14, 46217520), (15, 43136352), (16, 40440330), (18, 35946960), (20, 32352264), (21, 30811680), (24, 26960220), (27, 23964640), (28, 23108760), (30, 21568176), (32, 20220165), (35, 18487008), (36, 17973480), (40, 16176132), (42, 15405840), (45, 14378784), (48, 13480110), (54, 11982320), (56, 11554380), (60, 10784088), (63, 10270560), (70, 9243504), (72, 8986740), (80, 8088066), (84, 7702920), (90, 7189392), (96, 6740055), (105, 6162336), (108, 5991160), (112, 5777190), (120, 5392044), (126, 5135280), (135, 4792928), (140, 4621752), (144, 4493370), (160, 4044033), (168, 3851460), (180, 3594696), (189, 3423520), (210, 3081168), (216, 2995580), (224, 2888595), (240, 2696022), (252, 2567640), (270, 2396464), (280, 2310876), (288, 2246685), (315, 2054112), (336, 1925730), (360, 1797348), (378, 1711760), (420, 1540584), (432, 1497790), (480, 1348011), (504, 1283820), (540, 1198232), (560, 1155438), (630, 1027056), (672, 962865), (720, 898674), (756, 855880), (840, 770292), (864, 748895), (945, 684704), (1008, 641910), (1080, 599116), (1120, 577719), (1260, 513528), (1440, 449337), (1512, 427940), (1680, 385146), (1890, 342352), (2016, 320955), (2160, 299558), (2520, 256764), (3024, 213970), (3360, 192573), (3780, 171176), (4320, 149779), (5040, 128382), (6048, 106985), (7560, 85588), (10080, 64191), (15120, 42794), (21397, 30240)]