1648440015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 2814289920

約数和(自身を除く): 1165849905

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 173, 213, 345, 355, 389, 519, 865, 1065, 1167, 1633, 1945, 2595, 3979, 4899, 5835, 8165, 8947, 11937, 12283, 19895, 24495, 26841, 27619, 36849, 44735, 59685, 61415, 67297, 82857, 134205, 138095, 184245, 201891, 282509, 336485, 414285, 635237, 847527, 1009455, 1412545, 1547831, 1905711, 3176185, 4237635, 4643493, 4778087, 7739155, 9528555, 14334261, 23217465, 23890435, 71671305, 109896001, 329688003, 549480005, 1648440015]

約数ペア:

[(1, 1648440015), (3, 549480005), (5, 329688003), (15, 109896001), (23, 71671305), (69, 23890435), (71, 23217465), (115, 14334261), (173, 9528555), (213, 7739155), (345, 4778087), (355, 4643493), (389, 4237635), (519, 3176185), (865, 1905711), (1065, 1547831), (1167, 1412545), (1633, 1009455), (1945, 847527), (2595, 635237), (3979, 414285), (4899, 336485), (5835, 282509), (8165, 201891), (8947, 184245), (11937, 138095), (12283, 134205), (19895, 82857), (24495, 67297), (26841, 61415), (27619, 59685), (36849, 44735)]