205745280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8243}}^1$

素因数の和:8278

約数の個数: 128

約数和(自身を含む): 706345920

約数和(自身を除く): 500600640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8243, 8320, 12480, 16486, 24729, 24960, 32972, 41215, 49458, 65944, 82430, 98916, 107159, 123645, 131888, 164860, 197832, 214318, 247290, 263776, 321477, 329720, 395664, 428636, 494580, 527552, 535795, 642954, 659440, 791328, 857272, 989160, 1055104, 1071590, 1285908, 1318880, 1582656, 1607385, 1714544, 1978320, 2143180, 2571816, 2637760, 3165312, 3214770, 3429088, 3956640, 4286360, 5143632, 5275520, 6429540, 6858176, 7913280, 8572720, 10287264, 12859080, 13716352, 15826560, 17145440, 20574528, 25718160, 34290880, 41149056, 51436320, 68581760, 102872640, 205745280]

約数ペア:

[(1, 205745280), (2, 102872640), (3, 68581760), (4, 51436320), (5, 41149056), (6, 34290880), (8, 25718160), (10, 20574528), (12, 17145440), (13, 15826560), (15, 13716352), (16, 12859080), (20, 10287264), (24, 8572720), (26, 7913280), (30, 6858176), (32, 6429540), (39, 5275520), (40, 5143632), (48, 4286360), (52, 3956640), (60, 3429088), (64, 3214770), (65, 3165312), (78, 2637760), (80, 2571816), (96, 2143180), (104, 1978320), (120, 1714544), (128, 1607385), (130, 1582656), (156, 1318880), (160, 1285908), (192, 1071590), (195, 1055104), (208, 989160), (240, 857272), (260, 791328), (312, 659440), (320, 642954), (384, 535795), (390, 527552), (416, 494580), (480, 428636), (520, 395664), (624, 329720), (640, 321477), (780, 263776), (832, 247290), (960, 214318), (1040, 197832), (1248, 164860), (1560, 131888), (1664, 123645), (1920, 107159), (2080, 98916), (2496, 82430), (3120, 65944), (4160, 49458), (4992, 41215), (6240, 32972), (8243, 24960), (8320, 24729), (12480, 16486)]