128384040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1069867}}^1$

素因数の和:1069881

約数の個数: 32

約数和(自身を含む): 385152480

約数和(自身を除く): 256768440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1069867, 2139734, 3209601, 4279468, 5349335, 6419202, 8558936, 10698670, 12838404, 16048005, 21397340, 25676808, 32096010, 42794680, 64192020, 128384040]

約数ペア:

[(1, 128384040), (2, 64192020), (3, 42794680), (4, 32096010), (5, 25676808), (6, 21397340), (8, 16048005), (10, 12838404), (12, 10698670), (15, 8558936), (20, 6419202), (24, 5349335), (30, 4279468), (40, 3209601), (60, 2139734), (120, 1069867)]