257517090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12073}}^1$

素因数の和:12168

約数の個数: 64

約数和(自身を含む): 695462400

約数和(自身を除く): 437945310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 1185, 1422, 2133, 2370, 3555, 4266, 7110, 10665, 12073, 21330, 24146, 36219, 60365, 72438, 108657, 120730, 181095, 217314, 325971, 362190, 543285, 651942, 953767, 1086570, 1629855, 1907534, 2861301, 3259710, 4768835, 5722602, 8583903, 9537670, 14306505, 17167806, 25751709, 28613010, 42919515, 51503418, 85839030, 128758545, 257517090]

約数ペア:

[(1, 257517090), (2, 128758545), (3, 85839030), (5, 51503418), (6, 42919515), (9, 28613010), (10, 25751709), (15, 17167806), (18, 14306505), (27, 9537670), (30, 8583903), (45, 5722602), (54, 4768835), (79, 3259710), (90, 2861301), (135, 1907534), (158, 1629855), (237, 1086570), (270, 953767), (395, 651942), (474, 543285), (711, 362190), (790, 325971), (1185, 217314), (1422, 181095), (2133, 120730), (2370, 108657), (3555, 72438), (4266, 60365), (7110, 36219), (10665, 24146), (12073, 21330)]