63697720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 148619520

約数和(自身を除く): 84921800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 223, 296, 370, 386, 446, 740, 772, 892, 965, 1115, 1480, 1544, 1784, 1930, 2230, 3860, 4460, 7141, 7720, 8251, 8920, 14282, 16502, 28564, 33004, 35705, 41255, 43039, 57128, 66008, 71410, 82510, 86078, 142820, 165020, 172156, 215195, 285640, 330040, 344312, 430390, 860780, 1592443, 1721560, 3184886, 6369772, 7962215, 12739544, 15924430, 31848860, 63697720]

約数ペア:

[(1, 63697720), (2, 31848860), (4, 15924430), (5, 12739544), (8, 7962215), (10, 6369772), (20, 3184886), (37, 1721560), (40, 1592443), (74, 860780), (148, 430390), (185, 344312), (193, 330040), (223, 285640), (296, 215195), (370, 172156), (386, 165020), (446, 142820), (740, 86078), (772, 82510), (892, 71410), (965, 66008), (1115, 57128), (1480, 43039), (1544, 41255), (1784, 35705), (1930, 33004), (2230, 28564), (3860, 16502), (4460, 14282), (7141, 8920), (7720, 8251)]