81534564

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 212127552

約数和(自身を除く): 130592988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 151, 159, 212, 283, 302, 318, 453, 477, 566, 604, 636, 849, 906, 954, 1132, 1359, 1698, 1812, 1908, 2547, 2718, 3396, 5094, 5436, 8003, 10188, 14999, 16006, 24009, 29998, 32012, 42733, 44997, 48018, 59996, 72027, 85466, 89994, 96036, 128199, 134991, 144054, 170932, 179988, 256398, 269982, 288108, 384597, 512796, 539964, 769194, 1538388, 2264849, 4529698, 6794547, 9059396, 13589094, 20383641, 27178188, 40767282, 81534564]

約数ペア:

[(1, 81534564), (2, 40767282), (3, 27178188), (4, 20383641), (6, 13589094), (9, 9059396), (12, 6794547), (18, 4529698), (36, 2264849), (53, 1538388), (106, 769194), (151, 539964), (159, 512796), (212, 384597), (283, 288108), (302, 269982), (318, 256398), (453, 179988), (477, 170932), (566, 144054), (604, 134991), (636, 128199), (849, 96036), (906, 89994), (954, 85466), (1132, 72027), (1359, 59996), (1698, 48018), (1812, 44997), (1908, 42733), (2547, 32012), (2718, 29998), (3396, 24009), (5094, 16006), (5436, 14999), (8003, 10188)]