78320268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4523}}^1$

素因数の和:4583

約数の個数: 72

約数和(自身を含む): 219015888

約数和(自身を除く): 140695620

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 4523, 5772, 8658, 9046, 13569, 17316, 18092, 27138, 40707, 54276, 58799, 81414, 117598, 162828, 167351, 176397, 235196, 334702, 352794, 502053, 529191, 669404, 705588, 1004106, 1058382, 1506159, 2008212, 2116764, 2175563, 3012318, 4351126, 6024636, 6526689, 8702252, 13053378, 19580067, 26106756, 39160134, 78320268]

約数ペア:

[(1, 78320268), (2, 39160134), (3, 26106756), (4, 19580067), (6, 13053378), (9, 8702252), (12, 6526689), (13, 6024636), (18, 4351126), (26, 3012318), (36, 2175563), (37, 2116764), (39, 2008212), (52, 1506159), (74, 1058382), (78, 1004106), (111, 705588), (117, 669404), (148, 529191), (156, 502053), (222, 352794), (234, 334702), (333, 235196), (444, 176397), (468, 167351), (481, 162828), (666, 117598), (962, 81414), (1332, 58799), (1443, 54276), (1924, 40707), (2886, 27138), (4329, 18092), (4523, 17316), (5772, 13569), (8658, 9046)]