681981900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4419271}}^1$

素因数の和:4419930

約数の個数: 80

約数和(自身を含む): 2117432308992

約数和(自身を除く): 1435450408272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 643, 1286, 1929, 2572, 3215, 3858, 5144, 6430, 7716, 9645, 10288, 12860, 15432, 19290, 25720, 30864, 38580, 51440, 77160, 154320, 4419271, 8838542, 13257813, 17677084, 22096355, 26515626, 35354168, 44192710, 53031252, 66289065, 70708336, 88385420, 106062504, 132578130, 176770840, 212125008, 265156260, 353541680, 530312520, 1060625040, 2841591253, 5683182506, 8524773759, 11366365012, 14207956265, 17049547518, 22732730024, 28415912530, 34099095036, 42623868795, 45465460048, 56831825060, 68198190072, 85247737590, 113663650120, 136396380144, 170495475180, 227327300240, 340990950360, 681981900720]

約数ペア:

[(1, 681981900720), (2, 340990950360), (3, 227327300240), (4, 170495475180), (5, 136396380144), (6, 113663650120), (8, 85247737590), (10, 68198190072), (12, 56831825060), (15, 45465460048), (16, 42623868795), (20, 34099095036), (24, 28415912530), (30, 22732730024), (40, 17049547518), (48, 14207956265), (60, 11366365012), (80, 8524773759), (120, 5683182506), (240, 2841591253), (643, 1060625040), (1286, 530312520), (1929, 353541680), (2572, 265156260), (3215, 212125008), (3858, 176770840), (5144, 132578130), (6430, 106062504), (7716, 88385420), (9645, 70708336), (10288, 66289065), (12860, 53031252), (15432, 44192710), (19290, 35354168), (25720, 26515626), (30864, 22096355), (38580, 17677084), (51440, 13257813), (77160, 8838542), (154320, 4419271)]