257103360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11159}}^1$

素因数の和:11188

約数の個数: 120

約数和(自身を含む): 890501040

約数和(自身を除く): 633397680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11159, 11520, 22318, 23040, 33477, 44636, 55795, 66954, 89272, 100431, 111590, 133908, 167385, 178544, 200862, 223180, 267816, 334770, 357088, 401724, 446360, 502155, 535632, 669540, 714176, 803448, 892720, 1004310, 1071264, 1339080, 1428352, 1606896, 1785440, 2008620, 2142528, 2678160, 2856704, 3213792, 3570880, 4017240, 4285056, 5356320, 5713408, 6427584, 7141760, 8034480, 8570112, 10712640, 12855168, 14283520, 16068960, 17140224, 21425280, 25710336, 28567040, 32137920, 42850560, 51420672, 64275840, 85701120, 128551680, 257103360]

約数ペア:

[(1, 257103360), (2, 128551680), (3, 85701120), (4, 64275840), (5, 51420672), (6, 42850560), (8, 32137920), (9, 28567040), (10, 25710336), (12, 21425280), (15, 17140224), (16, 16068960), (18, 14283520), (20, 12855168), (24, 10712640), (30, 8570112), (32, 8034480), (36, 7141760), (40, 6427584), (45, 5713408), (48, 5356320), (60, 4285056), (64, 4017240), (72, 3570880), (80, 3213792), (90, 2856704), (96, 2678160), (120, 2142528), (128, 2008620), (144, 1785440), (160, 1606896), (180, 1428352), (192, 1339080), (240, 1071264), (256, 1004310), (288, 892720), (320, 803448), (360, 714176), (384, 669540), (480, 535632), (512, 502155), (576, 446360), (640, 401724), (720, 357088), (768, 334770), (960, 267816), (1152, 223180), (1280, 200862), (1440, 178544), (1536, 167385), (1920, 133908), (2304, 111590), (2560, 100431), (2880, 89272), (3840, 66954), (4608, 55795), (5760, 44636), (7680, 33477), (11159, 23040), (11520, 22318)]