316806720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1348

約数の個数: 112

約数和(自身を含む): 1009912128

約数和(自身を除く): 693105408

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, 160, 192, 240, 320, 331, 480, 662, 960, 993, 997, 1324, 1655, 1986, 1994, 2648, 2991, 3310, 3972, 3988, 4965, 4985, 5296, 5982, 6620, 7944, 7976, 9930, 9970, 10592, 11964, 13240, 14955, 15888, 15952, 19860, 19940, 21184, 23928, 26480, 29910, 31776, 31904, 39720, 39880, 47856, 52960, 59820, 63552, 63808, 79440, 79760, 95712, 105920, 119640, 158880, 159520, 191424, 239280, 317760, 319040, 330007, 478560, 660014, 957120, 990021, 1320028, 1650035, 1980042, 2640056, 3300070, 3960084, 4950105, 5280112, 6600140, 7920168, 9900210, 10560224, 13200280, 15840336, 19800420, 21120448, 26400560, 31680672, 39600840, 52801120, 63361344, 79201680, 105602240, 158403360, 316806720]

約数ペア:

[(1, 316806720), (2, 158403360), (3, 105602240), (4, 79201680), (5, 63361344), (6, 52801120), (8, 39600840), (10, 31680672), (12, 26400560), (15, 21120448), (16, 19800420), (20, 15840336), (24, 13200280), (30, 10560224), (32, 9900210), (40, 7920168), (48, 6600140), (60, 5280112), (64, 4950105), (80, 3960084), (96, 3300070), (120, 2640056), (160, 1980042), (192, 1650035), (240, 1320028), (320, 990021), (331, 957120), (480, 660014), (662, 478560), (960, 330007), (993, 319040), (997, 317760), (1324, 239280), (1655, 191424), (1986, 159520), (1994, 158880), (2648, 119640), (2991, 105920), (3310, 95712), (3972, 79760), (3988, 79440), (4965, 63808), (4985, 63552), (5296, 59820), (5982, 52960), (6620, 47856), (7944, 39880), (7976, 39720), (9930, 31904), (9970, 31776), (10592, 29910), (11964, 26480), (13240, 23928), (14955, 21184), (15888, 19940), (15952, 19860)]