72663640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1867}}^1$

素因数の和:2024

約数の個数: 64

約数和(自身を含む): 188294400

約数和(自身を除く): 115630760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1867, 1946, 2780, 3734, 3892, 4865, 5560, 7468, 7784, 9335, 9730, 13069, 14936, 18670, 19460, 26138, 37340, 38920, 52276, 65345, 74680, 104552, 130690, 259513, 261380, 519026, 522760, 1038052, 1297565, 1816591, 2076104, 2595130, 3633182, 5190260, 7266364, 9082955, 10380520, 14532728, 18165910, 36331820, 72663640]

約数ペア:

[(1, 72663640), (2, 36331820), (4, 18165910), (5, 14532728), (7, 10380520), (8, 9082955), (10, 7266364), (14, 5190260), (20, 3633182), (28, 2595130), (35, 2076104), (40, 1816591), (56, 1297565), (70, 1038052), (139, 522760), (140, 519026), (278, 261380), (280, 259513), (556, 130690), (695, 104552), (973, 74680), (1112, 65345), (1390, 52276), (1867, 38920), (1946, 37340), (2780, 26138), (3734, 19460), (3892, 18670), (4865, 14936), (5560, 13069), (7468, 9730), (7784, 9335)]