64763440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 173828160

約数和(自身を除く): 109064720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1061, 1090, 1526, 1744, 2122, 2180, 3052, 3815, 4244, 4360, 5305, 6104, 7427, 7630, 8488, 8720, 10610, 12208, 14854, 15260, 16976, 21220, 29708, 30520, 37135, 42440, 59416, 61040, 74270, 84880, 115649, 118832, 148540, 231298, 297080, 462596, 578245, 594160, 809543, 925192, 1156490, 1619086, 1850384, 2312980, 3238172, 4047715, 4625960, 6476344, 8095430, 9251920, 12952688, 16190860, 32381720, 64763440]

約数ペア:

[(1, 64763440), (2, 32381720), (4, 16190860), (5, 12952688), (7, 9251920), (8, 8095430), (10, 6476344), (14, 4625960), (16, 4047715), (20, 3238172), (28, 2312980), (35, 1850384), (40, 1619086), (56, 1156490), (70, 925192), (80, 809543), (109, 594160), (112, 578245), (140, 462596), (218, 297080), (280, 231298), (436, 148540), (545, 118832), (560, 115649), (763, 84880), (872, 74270), (1061, 61040), (1090, 59416), (1526, 42440), (1744, 37135), (2122, 30520), (2180, 29708), (3052, 21220), (3815, 16976), (4244, 15260), (4360, 14854), (5305, 12208), (6104, 10610), (7427, 8720), (7630, 8488)]