117475840

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 284925960

約数和(自身を除く): 167450120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 421, 436, 512, 545, 640, 842, 872, 1090, 1280, 1684, 1744, 2105, 2180, 2560, 3368, 3488, 4210, 4360, 6736, 6976, 8420, 8720, 13472, 13952, 16840, 17440, 26944, 27904, 33680, 34880, 45889, 53888, 55808, 67360, 69760, 91778, 107776, 134720, 139520, 183556, 215552, 229445, 269440, 279040, 367112, 458890, 538880, 734224, 917780, 1077760, 1468448, 1835560, 2936896, 3671120, 5873792, 7342240, 11747584, 14684480, 23495168, 29368960, 58737920, 117475840]

約数ペア:

[(1, 117475840), (2, 58737920), (4, 29368960), (5, 23495168), (8, 14684480), (10, 11747584), (16, 7342240), (20, 5873792), (32, 3671120), (40, 2936896), (64, 1835560), (80, 1468448), (109, 1077760), (128, 917780), (160, 734224), (218, 538880), (256, 458890), (320, 367112), (421, 279040), (436, 269440), (512, 229445), (545, 215552), (640, 183556), (842, 139520), (872, 134720), (1090, 107776), (1280, 91778), (1684, 69760), (1744, 67360), (2105, 55808), (2180, 53888), (2560, 45889), (3368, 34880), (3488, 33680), (4210, 27904), (4360, 26944), (6736, 17440), (6976, 16840), (8420, 13952), (8720, 13472)]