403904640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1230

約数の個数: 128

約数和(自身を含む): 1294845120

約数和(自身を除く): 890940480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 320, 384, 422, 480, 633, 640, 844, 960, 997, 1055, 1266, 1688, 1920, 1994, 2110, 2532, 2991, 3165, 3376, 3988, 4220, 4985, 5064, 5982, 6330, 6752, 7976, 8440, 9970, 10128, 11964, 12660, 13504, 14955, 15952, 16880, 19940, 20256, 23928, 25320, 27008, 29910, 31904, 33760, 39880, 40512, 47856, 50640, 59820, 63808, 67520, 79760, 81024, 95712, 101280, 119640, 127616, 135040, 159520, 191424, 202560, 210367, 239280, 319040, 382848, 405120, 420734, 478560, 631101, 638080, 841468, 957120, 1051835, 1262202, 1682936, 1914240, 2103670, 2524404, 3155505, 3365872, 4207340, 5048808, 6311010, 6731744, 8414680, 10097616, 12622020, 13463488, 16829360, 20195232, 25244040, 26926976, 33658720, 40390464, 50488080, 67317440, 80780928, 100976160, 134634880, 201952320, 403904640]

約数ペア:

[(1, 403904640), (2, 201952320), (3, 134634880), (4, 100976160), (5, 80780928), (6, 67317440), (8, 50488080), (10, 40390464), (12, 33658720), (15, 26926976), (16, 25244040), (20, 20195232), (24, 16829360), (30, 13463488), (32, 12622020), (40, 10097616), (48, 8414680), (60, 6731744), (64, 6311010), (80, 5048808), (96, 4207340), (120, 3365872), (128, 3155505), (160, 2524404), (192, 2103670), (211, 1914240), (240, 1682936), (320, 1262202), (384, 1051835), (422, 957120), (480, 841468), (633, 638080), (640, 631101), (844, 478560), (960, 420734), (997, 405120), (1055, 382848), (1266, 319040), (1688, 239280), (1920, 210367), (1994, 202560), (2110, 191424), (2532, 159520), (2991, 135040), (3165, 127616), (3376, 119640), (3988, 101280), (4220, 95712), (4985, 81024), (5064, 79760), (5982, 67520), (6330, 63808), (6752, 59820), (7976, 50640), (8440, 47856), (9970, 40512), (10128, 39880), (11964, 33760), (12660, 31904), (13504, 29910), (14955, 27008), (15952, 25320), (16880, 23928), (19940, 20256)]