15668718080

素因数分解:

$2^9\times 5^1\times {\mathrm{197}}^1\times {\mathrm{31069}}^1$

素因数の和:31289

約数の個数: 80

約数和(自身を含む): 37760116680

約数和(自身を除く): 22091398600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 512, 640, 788, 985, 1280, 1576, 1970, 2560, 3152, 3940, 6304, 7880, 12608, 15760, 25216, 31069, 31520, 50432, 62138, 63040, 100864, 124276, 126080, 155345, 248552, 252160, 310690, 497104, 504320, 621380, 994208, 1242760, 1988416, 2485520, 3976832, 4971040, 6120593, 7953664, 9942080, 12241186, 15907328, 19884160, 24482372, 30602965, 39768320, 48964744, 61205930, 79536640, 97929488, 122411860, 195858976, 244823720, 391717952, 489647440, 783435904, 979294880, 1566871808, 1958589760, 3133743616, 3917179520, 7834359040, 15668718080]

約数ペア:

[(1, 15668718080), (2, 7834359040), (4, 3917179520), (5, 3133743616), (8, 1958589760), (10, 1566871808), (16, 979294880), (20, 783435904), (32, 489647440), (40, 391717952), (64, 244823720), (80, 195858976), (128, 122411860), (160, 97929488), (197, 79536640), (256, 61205930), (320, 48964744), (394, 39768320), (512, 30602965), (640, 24482372), (788, 19884160), (985, 15907328), (1280, 12241186), (1576, 9942080), (1970, 7953664), (2560, 6120593), (3152, 4971040), (3940, 3976832), (6304, 2485520), (7880, 1988416), (12608, 1242760), (15760, 994208), (25216, 621380), (31069, 504320), (31520, 497104), (50432, 310690), (62138, 252160), (63040, 248552), (100864, 155345), (124276, 126080)]