61487440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1940

約数の個数: 80

約数和(自身を含む): 166239360

約数和(自身を除く): 104751920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 1861, 2065, 2360, 3304, 3722, 4130, 4720, 6608, 7444, 8260, 9305, 13027, 14888, 16520, 18610, 26054, 29776, 33040, 37220, 52108, 65135, 74440, 104216, 109799, 130270, 148880, 208432, 219598, 260540, 439196, 521080, 548995, 768593, 878392, 1042160, 1097990, 1537186, 1756784, 2195980, 3074372, 3842965, 4391960, 6148744, 7685930, 8783920, 12297488, 15371860, 30743720, 61487440]

約数ペア:

[(1, 61487440), (2, 30743720), (4, 15371860), (5, 12297488), (7, 8783920), (8, 7685930), (10, 6148744), (14, 4391960), (16, 3842965), (20, 3074372), (28, 2195980), (35, 1756784), (40, 1537186), (56, 1097990), (59, 1042160), (70, 878392), (80, 768593), (112, 548995), (118, 521080), (140, 439196), (236, 260540), (280, 219598), (295, 208432), (413, 148880), (472, 130270), (560, 109799), (590, 104216), (826, 74440), (944, 65135), (1180, 52108), (1652, 37220), (1861, 33040), (2065, 29776), (2360, 26054), (3304, 18610), (3722, 16520), (4130, 14888), (4720, 13027), (6608, 9305), (7444, 8260)]