72185960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1071

約数の個数: 128

約数和(自身を含む): 211507200

約数和(自身を除く): 139321240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1019, 1265, 1288, 1540, 1610, 1771, 2024, 2038, 2530, 3080, 3220, 3542, 4076, 5060, 5095, 6440, 7084, 7133, 8152, 8855, 10120, 10190, 11209, 14168, 14266, 17710, 20380, 22418, 23437, 28532, 35420, 35665, 40760, 44836, 46874, 56045, 57064, 70840, 71330, 78463, 89672, 93748, 112090, 117185, 142660, 156926, 164059, 187496, 224180, 234370, 257807, 285320, 313852, 328118, 392315, 448360, 468740, 515614, 627704, 656236, 784630, 820295, 937480, 1031228, 1289035, 1312472, 1569260, 1640590, 1804649, 2062456, 2578070, 3138520, 3281180, 3609298, 5156140, 6562360, 7218596, 9023245, 10312280, 14437192, 18046490, 36092980, 72185960]

約数ペア:

[(1, 72185960), (2, 36092980), (4, 18046490), (5, 14437192), (7, 10312280), (8, 9023245), (10, 7218596), (11, 6562360), (14, 5156140), (20, 3609298), (22, 3281180), (23, 3138520), (28, 2578070), (35, 2062456), (40, 1804649), (44, 1640590), (46, 1569260), (55, 1312472), (56, 1289035), (70, 1031228), (77, 937480), (88, 820295), (92, 784630), (110, 656236), (115, 627704), (140, 515614), (154, 468740), (161, 448360), (184, 392315), (220, 328118), (230, 313852), (253, 285320), (280, 257807), (308, 234370), (322, 224180), (385, 187496), (440, 164059), (460, 156926), (506, 142660), (616, 117185), (644, 112090), (770, 93748), (805, 89672), (920, 78463), (1012, 71330), (1019, 70840), (1265, 57064), (1288, 56045), (1540, 46874), (1610, 44836), (1771, 40760), (2024, 35665), (2038, 35420), (2530, 28532), (3080, 23437), (3220, 22418), (3542, 20380), (4076, 17710), (5060, 14266), (5095, 14168), (6440, 11209), (7084, 10190), (7133, 10120), (8152, 8855)]