257547120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1073113}}^1$

素因数の和:1073129

約数の個数: 40

約数和(自身を含む): 798396816

約数和(自身を除く): 540849696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1073113, 2146226, 3219339, 4292452, 5365565, 6438678, 8584904, 10731130, 12877356, 16096695, 17169808, 21462260, 25754712, 32193390, 42924520, 51509424, 64386780, 85849040, 128773560, 257547120]

約数ペア:

[(1, 257547120), (2, 128773560), (3, 85849040), (4, 64386780), (5, 51509424), (6, 42924520), (8, 32193390), (10, 25754712), (12, 21462260), (15, 17169808), (16, 16096695), (20, 12877356), (24, 10731130), (30, 8584904), (40, 6438678), (48, 5365565), (60, 4292452), (80, 3219339), (120, 2146226), (240, 1073113)]