71554665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 154828800

約数和(自身を除く): 83274135

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 31, 35, 39, 57, 65, 89, 91, 93, 95, 105, 133, 155, 195, 217, 247, 267, 273, 285, 399, 403, 445, 455, 465, 589, 623, 651, 665, 741, 1085, 1157, 1209, 1235, 1335, 1365, 1691, 1729, 1767, 1869, 1995, 2015, 2759, 2821, 2945, 3115, 3255, 3471, 3705, 4123, 5073, 5187, 5785, 6045, 7657, 8099, 8277, 8455, 8463, 8645, 8835, 9345, 11837, 12369, 13795, 14105, 17355, 19313, 20615, 21983, 22971, 24297, 25365, 25935, 35511, 35867, 38285, 40495, 41385, 42315, 52421, 53599, 57939, 59185, 61845, 65949, 96565, 107601, 109915, 114855, 121485, 153881, 157263, 160797, 177555, 179335, 251069, 262105, 267995, 289695, 329745, 366947, 461643, 538005, 681473, 753207, 769405, 786315, 803985, 1100841, 1255345, 1834735, 2044419, 2308215, 3407365, 3766035, 4770311, 5504205, 10222095, 14310933, 23851555, 71554665]

約数ペア:

[(1, 71554665), (3, 23851555), (5, 14310933), (7, 10222095), (13, 5504205), (15, 4770311), (19, 3766035), (21, 3407365), (31, 2308215), (35, 2044419), (39, 1834735), (57, 1255345), (65, 1100841), (89, 803985), (91, 786315), (93, 769405), (95, 753207), (105, 681473), (133, 538005), (155, 461643), (195, 366947), (217, 329745), (247, 289695), (267, 267995), (273, 262105), (285, 251069), (399, 179335), (403, 177555), (445, 160797), (455, 157263), (465, 153881), (589, 121485), (623, 114855), (651, 109915), (665, 107601), (741, 96565), (1085, 65949), (1157, 61845), (1209, 59185), (1235, 57939), (1335, 53599), (1365, 52421), (1691, 42315), (1729, 41385), (1767, 40495), (1869, 38285), (1995, 35867), (2015, 35511), (2759, 25935), (2821, 25365), (2945, 24297), (3115, 22971), (3255, 21983), (3471, 20615), (3705, 19313), (4123, 17355), (5073, 14105), (5187, 13795), (5785, 12369), (6045, 11837), (7657, 9345), (8099, 8835), (8277, 8645), (8455, 8463)]