255457280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 701719200

約数和(自身を除く): 446261920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 101, 104, 128, 130, 152, 160, 190, 202, 208, 247, 256, 260, 304, 320, 380, 404, 416, 494, 505, 512, 520, 608, 640, 760, 808, 832, 988, 1010, 1024, 1040, 1216, 1235, 1280, 1313, 1520, 1616, 1664, 1919, 1976, 2020, 2048, 2080, 2432, 2470, 2560, 2626, 3040, 3232, 3328, 3838, 3952, 4040, 4160, 4864, 4940, 5120, 5252, 6080, 6464, 6565, 6656, 7676, 7904, 8080, 8320, 9595, 9728, 9880, 10240, 10504, 12160, 12928, 13130, 13312, 15352, 15808, 16160, 16640, 19190, 19456, 19760, 21008, 24320, 24947, 25856, 26260, 26624, 30704, 31616, 32320, 33280, 38380, 38912, 39520, 42016, 48640, 49894, 51712, 52520, 61408, 63232, 64640, 66560, 76760, 79040, 84032, 97280, 99788, 103424, 105040, 122816, 124735, 126464, 129280, 133120, 153520, 158080, 168064, 194560, 199576, 206848, 210080, 245632, 249470, 252928, 258560, 307040, 316160, 336128, 399152, 420160, 491264, 498940, 505856, 517120, 614080, 632320, 672256, 798304, 840320, 982528, 997880, 1034240, 1228160, 1264640, 1344512, 1596608, 1680640, 1965056, 1995760, 2456320, 2529280, 2689024, 3193216, 3361280, 3930112, 3991520, 4912640, 6386432, 6722560, 7983040, 9825280, 12772864, 13445120, 15966080, 19650560, 25545728, 31932160, 51091456, 63864320, 127728640, 255457280]

約数ペア:

[(1, 255457280), (2, 127728640), (4, 63864320), (5, 51091456), (8, 31932160), (10, 25545728), (13, 19650560), (16, 15966080), (19, 13445120), (20, 12772864), (26, 9825280), (32, 7983040), (38, 6722560), (40, 6386432), (52, 4912640), (64, 3991520), (65, 3930112), (76, 3361280), (80, 3193216), (95, 2689024), (101, 2529280), (104, 2456320), (128, 1995760), (130, 1965056), (152, 1680640), (160, 1596608), (190, 1344512), (202, 1264640), (208, 1228160), (247, 1034240), (256, 997880), (260, 982528), (304, 840320), (320, 798304), (380, 672256), (404, 632320), (416, 614080), (494, 517120), (505, 505856), (512, 498940), (520, 491264), (608, 420160), (640, 399152), (760, 336128), (808, 316160), (832, 307040), (988, 258560), (1010, 252928), (1024, 249470), (1040, 245632), (1216, 210080), (1235, 206848), (1280, 199576), (1313, 194560), (1520, 168064), (1616, 158080), (1664, 153520), (1919, 133120), (1976, 129280), (2020, 126464), (2048, 124735), (2080, 122816), (2432, 105040), (2470, 103424), (2560, 99788), (2626, 97280), (3040, 84032), (3232, 79040), (3328, 76760), (3838, 66560), (3952, 64640), (4040, 63232), (4160, 61408), (4864, 52520), (4940, 51712), (5120, 49894), (5252, 48640), (6080, 42016), (6464, 39520), (6565, 38912), (6656, 38380), (7676, 33280), (7904, 32320), (8080, 31616), (8320, 30704), (9595, 26624), (9728, 26260), (9880, 25856), (10240, 24947), (10504, 24320), (12160, 21008), (12928, 19760), (13130, 19456), (13312, 19190), (15352, 16640), (15808, 16160)]