157280680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{74189}}^1$

素因数の和:74253

約数の個数: 32

約数和(自身を含む): 360563400

約数和(自身を除く): 203282720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 74189, 148378, 296756, 370945, 593512, 741890, 1483780, 2967560, 3932017, 7864034, 15728068, 19660085, 31456136, 39320170, 78640340, 157280680]

約数ペア:

[(1, 157280680), (2, 78640340), (4, 39320170), (5, 31456136), (8, 19660085), (10, 15728068), (20, 7864034), (40, 3932017), (53, 2967560), (106, 1483780), (212, 741890), (265, 593512), (424, 370945), (530, 296756), (1060, 148378), (2120, 74189)]