247482720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{171863}}^1$

素因数の和:171884

約数の個数: 72

約数和(自身を含む): 844539696

約数和(自身を除く): 597056976

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 171863, 343726, 515589, 687452, 859315, 1031178, 1374904, 1546767, 1718630, 2062356, 2577945, 2749808, 3093534, 3437260, 4124712, 5155890, 5499616, 6187068, 6874520, 7733835, 8249424, 10311780, 12374136, 13749040, 15467670, 16498848, 20623560, 24748272, 27498080, 30935340, 41247120, 49496544, 61870680, 82494240, 123741360, 247482720]

約数ペア:

[(1, 247482720), (2, 123741360), (3, 82494240), (4, 61870680), (5, 49496544), (6, 41247120), (8, 30935340), (9, 27498080), (10, 24748272), (12, 20623560), (15, 16498848), (16, 15467670), (18, 13749040), (20, 12374136), (24, 10311780), (30, 8249424), (32, 7733835), (36, 6874520), (40, 6187068), (45, 5499616), (48, 5155890), (60, 4124712), (72, 3437260), (80, 3093534), (90, 2749808), (96, 2577945), (120, 2062356), (144, 1718630), (160, 1546767), (180, 1374904), (240, 1031178), (288, 859315), (360, 687452), (480, 515589), (720, 343726), (1440, 171863)]