81145504

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1154

約数の個数: 72

約数和(自身を含む): 185008320

約数和(自身を除く): 103862816

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 352, 418, 484, 608, 836, 968, 1103, 1672, 1936, 2206, 2299, 3344, 3872, 4412, 4598, 6688, 8824, 9196, 12133, 17648, 18392, 20957, 24266, 35296, 36784, 41914, 48532, 73568, 83828, 97064, 133463, 167656, 194128, 230527, 266926, 335312, 388256, 461054, 533852, 670624, 922108, 1067704, 1844216, 2135408, 2535797, 3688432, 4270816, 5071594, 7376864, 10143188, 20286376, 40572752, 81145504]

約数ペア:

[(1, 81145504), (2, 40572752), (4, 20286376), (8, 10143188), (11, 7376864), (16, 5071594), (19, 4270816), (22, 3688432), (32, 2535797), (38, 2135408), (44, 1844216), (76, 1067704), (88, 922108), (121, 670624), (152, 533852), (176, 461054), (209, 388256), (242, 335312), (304, 266926), (352, 230527), (418, 194128), (484, 167656), (608, 133463), (836, 97064), (968, 83828), (1103, 73568), (1672, 48532), (1936, 41914), (2206, 36784), (2299, 35296), (3344, 24266), (3872, 20957), (4412, 18392), (4598, 17648), (6688, 12133), (8824, 9196)]