261685440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{90863}}^1$

素因数の和:90886

約数の個数: 84

約数和(自身を含む): 900098784

約数和(自身を除く): 638413344

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 90863, 181726, 272589, 363452, 454315, 545178, 726904, 817767, 908630, 1090356, 1362945, 1453808, 1635534, 1817260, 2180712, 2725890, 2907616, 3271068, 3634520, 4088835, 4361424, 5451780, 5815232, 6542136, 7269040, 8177670, 8722848, 10903560, 13084272, 14538080, 16355340, 17445696, 21807120, 26168544, 29076160, 32710680, 43614240, 52337088, 65421360, 87228480, 130842720, 261685440]

約数ペア:

[(1, 261685440), (2, 130842720), (3, 87228480), (4, 65421360), (5, 52337088), (6, 43614240), (8, 32710680), (9, 29076160), (10, 26168544), (12, 21807120), (15, 17445696), (16, 16355340), (18, 14538080), (20, 13084272), (24, 10903560), (30, 8722848), (32, 8177670), (36, 7269040), (40, 6542136), (45, 5815232), (48, 5451780), (60, 4361424), (64, 4088835), (72, 3634520), (80, 3271068), (90, 2907616), (96, 2725890), (120, 2180712), (144, 1817260), (160, 1635534), (180, 1453808), (192, 1362945), (240, 1090356), (288, 908630), (320, 817767), (360, 726904), (480, 545178), (576, 454315), (720, 363452), (960, 272589), (1440, 181726), (2880, 90863)]