256707960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2139233}}^1$

素因数の和:2139247

約数の個数: 32

約数和(自身を含む): 770124240

約数和(自身を除く): 513416280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2139233, 4278466, 6417699, 8556932, 10696165, 12835398, 17113864, 21392330, 25670796, 32088495, 42784660, 51341592, 64176990, 85569320, 128353980, 256707960]

約数ペア:

[(1, 256707960), (2, 128353980), (3, 85569320), (4, 64176990), (5, 51341592), (6, 42784660), (8, 32088495), (10, 25670796), (12, 21392330), (15, 17113864), (20, 12835398), (24, 10696165), (30, 8556932), (40, 6417699), (60, 4278466), (120, 2139233)]