257878080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9949}}^1$

素因数の和:9978

約数の個数: 140

約数和(自身を含む): 917409900

約数和(自身を除く): 659531820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9949, 12960, 19898, 25920, 29847, 39796, 49745, 59694, 79592, 89541, 99490, 119388, 149235, 159184, 179082, 198980, 238776, 268623, 298470, 318368, 358164, 397960, 447705, 477552, 537246, 596940, 636736, 716328, 795920, 805869, 895410, 955104, 1074492, 1193880, 1343115, 1432656, 1591840, 1611738, 1790820, 1910208, 2148984, 2387760, 2686230, 2865312, 3183680, 3223476, 3581640, 4029345, 4297968, 4775520, 5372460, 5730624, 6446952, 7163280, 8058690, 8595936, 9551040, 10744920, 12893904, 14326560, 16117380, 17191872, 21489840, 25787808, 28653120, 32234760, 42979680, 51575616, 64469520, 85959360, 128939040, 257878080]

約数ペア:

[(1, 257878080), (2, 128939040), (3, 85959360), (4, 64469520), (5, 51575616), (6, 42979680), (8, 32234760), (9, 28653120), (10, 25787808), (12, 21489840), (15, 17191872), (16, 16117380), (18, 14326560), (20, 12893904), (24, 10744920), (27, 9551040), (30, 8595936), (32, 8058690), (36, 7163280), (40, 6446952), (45, 5730624), (48, 5372460), (54, 4775520), (60, 4297968), (64, 4029345), (72, 3581640), (80, 3223476), (81, 3183680), (90, 2865312), (96, 2686230), (108, 2387760), (120, 2148984), (135, 1910208), (144, 1790820), (160, 1611738), (162, 1591840), (180, 1432656), (192, 1343115), (216, 1193880), (240, 1074492), (270, 955104), (288, 895410), (320, 805869), (324, 795920), (360, 716328), (405, 636736), (432, 596940), (480, 537246), (540, 477552), (576, 447705), (648, 397960), (720, 358164), (810, 318368), (864, 298470), (960, 268623), (1080, 238776), (1296, 198980), (1440, 179082), (1620, 159184), (1728, 149235), (2160, 119388), (2592, 99490), (2880, 89541), (3240, 79592), (4320, 59694), (5184, 49745), (6480, 39796), (8640, 29847), (9949, 25920), (12960, 19898)]