177483780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1201}}^1$

素因数の和:2037

約数の個数: 72

約数和(自身を含む): 539472024

約数和(自身を除く): 361988244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 821, 1201, 1642, 2402, 2463, 3284, 3603, 4105, 4804, 4926, 6005, 7206, 7389, 8210, 9852, 10809, 12010, 12315, 14412, 14778, 16420, 18015, 21618, 24020, 24630, 29556, 36030, 36945, 43236, 49260, 54045, 72060, 73890, 108090, 147780, 216180, 986021, 1972042, 2958063, 3944084, 4930105, 5916126, 8874189, 9860210, 11832252, 14790315, 17748378, 19720420, 29580630, 35496756, 44370945, 59161260, 88741890, 177483780]

約数ペア:

[(1, 177483780), (2, 88741890), (3, 59161260), (4, 44370945), (5, 35496756), (6, 29580630), (9, 19720420), (10, 17748378), (12, 14790315), (15, 11832252), (18, 9860210), (20, 8874189), (30, 5916126), (36, 4930105), (45, 3944084), (60, 2958063), (90, 1972042), (180, 986021), (821, 216180), (1201, 147780), (1642, 108090), (2402, 73890), (2463, 72060), (3284, 54045), (3603, 49260), (4105, 43236), (4804, 36945), (4926, 36030), (6005, 29556), (7206, 24630), (7389, 24020), (8210, 21618), (9852, 18015), (10809, 16420), (12010, 14778), (12315, 14412)]