1291567120

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{44971}}^1$

素因数の和:45343

約数の個数: 40

約数和(自身を含む): 3011325120

約数和(自身を除く): 1719758000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 14360, 28720, 44971, 89942, 179884, 224855, 359768, 449710, 719536, 899420, 1798840, 3597680, 16144589, 32289178, 64578356, 80722945, 129156712, 161445890, 258313424, 322891780, 645783560, 1291567120]

約数ペア:

[(1, 1291567120), (2, 645783560), (4, 322891780), (5, 258313424), (8, 161445890), (10, 129156712), (16, 80722945), (20, 64578356), (40, 32289178), (80, 16144589), (359, 3597680), (718, 1798840), (1436, 899420), (1795, 719536), (2872, 449710), (3590, 359768), (5744, 224855), (7180, 179884), (14360, 89942), (28720, 44971)]