640917312

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15383}}^1$

素因数の和:15436

約数の個数: 112

約数和(自身を含む): 2000658432

約数和(自身を除く): 1359741120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 651, 672, 744, 868, 992, 1302, 1344, 1488, 1736, 1984, 2604, 2976, 3472, 5208, 5952, 6944, 10416, 13888, 15383, 20832, 30766, 41664, 46149, 61532, 92298, 107681, 123064, 184596, 215362, 246128, 323043, 369192, 430724, 476873, 492256, 646086, 738384, 861448, 953746, 984512, 1292172, 1430619, 1476768, 1722896, 1907492, 2584344, 2861238, 2953536, 3338111, 3445792, 3814984, 5168688, 5722476, 6676222, 6891584, 7629968, 10014333, 10337376, 11444952, 13352444, 15259936, 20028666, 20674752, 22889904, 26704888, 30519872, 40057332, 45779808, 53409776, 80114664, 91559616, 106819552, 160229328, 213639104, 320458656, 640917312]

約数ペア:

[(1, 640917312), (2, 320458656), (3, 213639104), (4, 160229328), (6, 106819552), (7, 91559616), (8, 80114664), (12, 53409776), (14, 45779808), (16, 40057332), (21, 30519872), (24, 26704888), (28, 22889904), (31, 20674752), (32, 20028666), (42, 15259936), (48, 13352444), (56, 11444952), (62, 10337376), (64, 10014333), (84, 7629968), (93, 6891584), (96, 6676222), (112, 5722476), (124, 5168688), (168, 3814984), (186, 3445792), (192, 3338111), (217, 2953536), (224, 2861238), (248, 2584344), (336, 1907492), (372, 1722896), (434, 1476768), (448, 1430619), (496, 1292172), (651, 984512), (672, 953746), (744, 861448), (868, 738384), (992, 646086), (1302, 492256), (1344, 476873), (1488, 430724), (1736, 369192), (1984, 323043), (2604, 246128), (2976, 215362), (3472, 184596), (5208, 123064), (5952, 107681), (6944, 92298), (10416, 61532), (13888, 46149), (15383, 41664), (20832, 30766)]