253358080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 104

約数和(自身を含む): 619239600

約数和(自身を除く): 365881520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 139, 160, 178, 256, 278, 320, 356, 445, 512, 556, 640, 695, 712, 890, 1024, 1112, 1280, 1390, 1424, 1780, 2048, 2224, 2560, 2780, 2848, 3560, 4096, 4448, 5120, 5560, 5696, 7120, 8896, 10240, 11120, 11392, 12371, 14240, 17792, 20480, 22240, 22784, 24742, 28480, 35584, 44480, 45568, 49484, 56960, 61855, 71168, 88960, 91136, 98968, 113920, 123710, 142336, 177920, 182272, 197936, 227840, 247420, 284672, 355840, 364544, 395872, 455680, 494840, 569344, 711680, 791744, 911360, 989680, 1423360, 1583488, 1822720, 1979360, 2846720, 3166976, 3958720, 6333952, 7917440, 12667904, 15834880, 25335808, 31669760, 50671616, 63339520, 126679040, 253358080]

約数ペア:

[(1, 253358080), (2, 126679040), (4, 63339520), (5, 50671616), (8, 31669760), (10, 25335808), (16, 15834880), (20, 12667904), (32, 7917440), (40, 6333952), (64, 3958720), (80, 3166976), (89, 2846720), (128, 1979360), (139, 1822720), (160, 1583488), (178, 1423360), (256, 989680), (278, 911360), (320, 791744), (356, 711680), (445, 569344), (512, 494840), (556, 455680), (640, 395872), (695, 364544), (712, 355840), (890, 284672), (1024, 247420), (1112, 227840), (1280, 197936), (1390, 182272), (1424, 177920), (1780, 142336), (2048, 123710), (2224, 113920), (2560, 98968), (2780, 91136), (2848, 88960), (3560, 71168), (4096, 61855), (4448, 56960), (5120, 49484), (5560, 45568), (5696, 44480), (7120, 35584), (8896, 28480), (10240, 24742), (11120, 22784), (11392, 22240), (12371, 20480), (14240, 17792)]