81991536

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 245400960

約数和(自身を除く): 163409424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 176, 209, 228, 242, 264, 304, 363, 418, 456, 484, 528, 627, 726, 743, 836, 912, 968, 1254, 1452, 1486, 1672, 1936, 2229, 2299, 2508, 2904, 2972, 3344, 4458, 4598, 5016, 5808, 5944, 6897, 8173, 8916, 9196, 10032, 11888, 13794, 14117, 16346, 17832, 18392, 24519, 27588, 28234, 32692, 35664, 36784, 42351, 49038, 55176, 56468, 65384, 84702, 89903, 98076, 110352, 112936, 130768, 155287, 169404, 179806, 196152, 225872, 269709, 310574, 338808, 359612, 392304, 465861, 539418, 621148, 677616, 719224, 931722, 1078836, 1242296, 1438448, 1708157, 1863444, 2157672, 2484592, 3416314, 3726888, 4315344, 5124471, 6832628, 7453776, 10248942, 13665256, 20497884, 27330512, 40995768, 81991536]

約数ペア:

[(1, 81991536), (2, 40995768), (3, 27330512), (4, 20497884), (6, 13665256), (8, 10248942), (11, 7453776), (12, 6832628), (16, 5124471), (19, 4315344), (22, 3726888), (24, 3416314), (33, 2484592), (38, 2157672), (44, 1863444), (48, 1708157), (57, 1438448), (66, 1242296), (76, 1078836), (88, 931722), (114, 719224), (121, 677616), (132, 621148), (152, 539418), (176, 465861), (209, 392304), (228, 359612), (242, 338808), (264, 310574), (304, 269709), (363, 225872), (418, 196152), (456, 179806), (484, 169404), (528, 155287), (627, 130768), (726, 112936), (743, 110352), (836, 98076), (912, 89903), (968, 84702), (1254, 65384), (1452, 56468), (1486, 55176), (1672, 49038), (1936, 42351), (2229, 36784), (2299, 35664), (2508, 32692), (2904, 28234), (2972, 27588), (3344, 24519), (4458, 18392), (4598, 17832), (5016, 16346), (5808, 14117), (5944, 13794), (6897, 11888), (8173, 10032), (8916, 9196)]